OT-2026-000053271
Publication integrity record
Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000053271) never changes.
Identity and time
| Publication number | OT-2026-000053271 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a15-78a0-bcb5-2ea0b7ea2bf3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053271 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0709de2f04aa320508e6d129a26cb3156c8abcc4a42da0ba0138088a1635953a |
|---|---|
| Markdown | 103cbe5aa7bacf830c9efeedc8096db38a20eb2d7babcb1e03c169c8a26001a5 |
| Publication page | 097fd5653af818438234153e32205b664de3b5b230ab6b7775c5680a246f2d78 |
| Manifest | 539dce3bb535f28763dff386e18056471a7b967df4c77a37be57c3ce42392754 |
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 | CrnMV6y/n9tZHs+QPaxk549GVutpxNitub8HhyrdJxfSRMcLE6at7gAF//yI0NqaUQGm55S/zq961CuTZzBwAw== |
| 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
| 2026-10-31T16:41:11.837433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053271observed 097fd5653af818438234153e32205b66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T16:41:11.779846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053271/manifest.jsonobserved 539dce3bb535f28763dff386e1805647...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:11.709291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053271/publication.mdobserved 103cbe5aa7bacf830c9efeedc8096db3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:11.584047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053271/publication.txtobserved 0709de2f04aa320508e6d129a26cb315...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:28.113683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053271observed 097fd5653af818438234153e32205b66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:28.026588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053271/manifest.jsonobserved 539dce3bb535f28763dff386e1805647...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:27.957791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053271/publication.mdobserved 103cbe5aa7bacf830c9efeedc8096db3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:27.883278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053271/publication.txtobserved 0709de2f04aa320508e6d129a26cb315...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 |
|---|