OT-2026-000052915
Publication integrity record
Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052915) never changes.
Identity and time
| Publication number | OT-2026-000052915 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7c51-99d0-0c03433642e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052915 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b6ef327b11bca7777de103c378c12cdf66e9b4669c93491900c818f60eb059e |
|---|---|
| Markdown | 99ff8eeef6be22ecadb944359729ef5afa8565fd98d5666f03d827f15c279515 |
| Publication page | 0bce723e4d22e3db16f1f57822b89e20db6a57e4b2e1aba264645ec5dc628829 |
| Manifest | c42d6c2016b36b2c29f0fa285d088607508d74a4d9e3fd626540e0e118268a86 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 2ArAbUBSXSo24fHaS1b/UpVzS2LFIgkCm84vDc94A1ojBQ5mGn05nw6cO/TDA8l/KRgjEfZoRUmUcvzxpspQBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-02T12:41:25.394882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052915observed 0bce723e4d22e3db16f1f57822b89e20...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T12:41:25.326559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052915/manifest.jsonobserved c42d6c2016b36b2c29f0fa285d088607...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T12:41:25.238709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052915/publication.mdobserved 99ff8eeef6be22ecadb944359729ef5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T12:41:25.124418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052915/publication.txtobserved 7b6ef327b11bca7777de103c378c12cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:23:25.629685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052915observed 0bce723e4d22e3db16f1f57822b89e20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:23:25.614811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052915/manifest.jsonobserved c42d6c2016b36b2c29f0fa285d088607...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:23:25.563278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052915/publication.mdobserved 99ff8eeef6be22ecadb944359729ef5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:23:25.513572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052915/publication.txtobserved 7b6ef327b11bca7777de103c378c12cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|