OT-2026-000087479
Publication integrity record
Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000087479) never changes.
Identity and time
| Publication number | OT-2026-000087479 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd51-765a-a49b-9e4257aba4e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087479 |
| Status | PUBLIC |
Content hashes
| Canonical text | 502d85808145a5a7d20354a5a2512a99514abed42681acc9779a08ee5b74e725 |
|---|---|
| Markdown | 7dce07745d8b421e0ebf5ccea3dbe1c5ee313dc45480395419cdb89e7636cc2a |
| Publication page | 992376a8b31a807f566c6a24994d16a7fd48ee65ddb8a2a6cd1e43e99ef39acb |
| Manifest | 080990df39515315af8c8f6f2495aa6bfdca0430dedc00a26041f0b6b3b9b0a6 |
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 | RQCeToAklrKC9dm+ObU/q3eJ6c9QPMWoj8bNJdAr8gW4E2NPTpuLeRZeY6YcDpfLCAklsB2bmyny71fyv7JJDg== |
| 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
| 2026-10-16T04:23:29.807614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087479observed 992376a8b31a807f566c6a24994d16a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T04:23:29.792921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087479/manifest.jsonobserved 080990df39515315af8c8f6f2495aa6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:23:29.751217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087479/publication.mdobserved 7dce07745d8b421e0ebf5ccea3dbe1c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:23:29.586168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087479/publication.txtobserved 502d85808145a5a7d20354a5a2512a99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:42:24.628581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087479observed 992376a8b31a807f566c6a24994d16a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:42:24.553109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087479/manifest.jsonobserved 080990df39515315af8c8f6f2495aa6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:42:24.476702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087479/publication.mdobserved 7dce07745d8b421e0ebf5ccea3dbe1c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:42:24.385052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087479/publication.txtobserved 502d85808145a5a7d20354a5a2512a99...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 |
|---|