OT-2026-000086281
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000086281) never changes.
Identity and time
| Publication number | OT-2026-000086281 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-2c95-782e-b5a3-85bbbe7ecb36 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:14.823225Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000086281 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0459495f51eb9479ac5c59248db1c72b509318374726ac32b39f7fe076f642f9 |
|---|---|
| Markdown | f838b250fda6056108157345e240ed266fc24327c2be2946d3cc4414265746de |
| Publication page | 06ecdb3d1fc0c85366000ebd8e2583d61719cf3207dbe25b3aca708ab9a5a915 |
| Manifest | 86cee7a2e22106bebc75ab4ba61690d40d5918b9e5a9ac0397efc5723190d3f7 |
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 | c/b2Rgev4PPjnPE459K4bifjNd9DkdUx0Pp8W1XJMOdJWa3gMC4odESRLQlO7N5I8uCJMt3mCJ6g2fFxti8aBw== |
| 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
| 2026-10-20T12:41:59.141738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086281observed 06ecdb3d1fc0c85366000ebd8e2583d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:41:59.069030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086281/manifest.jsonobserved 86cee7a2e22106bebc75ab4ba61690d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:59.015033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086281/publication.mdobserved f838b250fda6056108157345e240ed26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:58.875808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086281/publication.txtobserved 0459495f51eb9479ac5c59248db1c72b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:17.995377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086281observed 06ecdb3d1fc0c85366000ebd8e2583d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:17.955935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086281/manifest.jsonobserved 86cee7a2e22106bebc75ab4ba61690d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:17.939564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086281/publication.mdobserved f838b250fda6056108157345e240ed26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:17.840373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086281/publication.txtobserved 0459495f51eb9479ac5c59248db1c72b...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 |
|---|