OT-2026-000080025
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained 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-2026-000080025) never changes.
Identity and time
| Publication number | OT-2026-000080025 · never reused |
|---|---|
| Internal UUID | 01a0ae96-4377-71f9-8386-1308dfeb946f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:58.480954Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080025 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4bc342d9427f231c34707a023a871fd24d8a33afd634118d072a03aea36b6dd7 |
|---|---|
| Markdown | 180aa1a5e3518cbd3c96e16f0b28af3767162967e2abce2bb6c966257cdcd6aa |
| Publication page | 1b3ff292bd3b89e884255f81c0c8177a2475318c39b7dee1fafc35a20baa5f50 |
| Manifest | 538dedf4cdbac31b7c4f41e332f46b4863f5479bf6becba064b21ad0db2c97a9 |
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 | vWAacLlVGzspl08sYFvGWwb3AZ18g/uVnC1KpjVhN/1IxKAW4S3ZlSgia4kk1TWVb9Sw4cPUxKOKh5k/GUrnAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-30T20:41:17.356363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080025observed 1b3ff292bd3b89e884255f81c0c8177a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T20:41:17.260015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080025/manifest.jsonobserved 538dedf4cdbac31b7c4f41e332f46b48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:17.101341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080025/publication.mdobserved 180aa1a5e3518cbd3c96e16f0b28af37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T20:41:17.007691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080025/publication.txtobserved 4bc342d9427f231c34707a023a871fd2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:25.186913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080025observed 1b3ff292bd3b89e884255f81c0c8177a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:25.128349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080025/manifest.jsonobserved 538dedf4cdbac31b7c4f41e332f46b48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:25.072303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080025/publication.mdobserved 180aa1a5e3518cbd3c96e16f0b28af37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:25.019290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080025/publication.txtobserved 4bc342d9427f231c34707a023a871fd2...fetched by grabo-systems from 34.44.131.203, 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 |
|---|