OT-2026-000012886
Publication integrity record
Foam pad vacuum gripper, three stage ejector, 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-2026-000012886) never changes.
Identity and time
| Publication number | OT-2026-000012886 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7443-b319-6f73846e18c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012886 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5f4306789651be5f7e7a71695926dbbdd53f45c39f5bcc3254c38e6ca6584d4 |
|---|---|
| Markdown | da52f70feb73c5e8848ccd98d71327f09ba9df2e3bc373fea088a55c9d1d1256 |
| Publication page | 9e5737eaeb1511251a6cbe7ecdee9e3e63562265fcd949461172eb9a7a8fe549 |
| Manifest | aa586fa067aeaaf4260091fa1100d9ab4dd7b68a32ba1cbfa4dfae8c22b3bf4d |
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 | etwVk2qtdZZ0ncOTm2Qoh01Gfz1wpU7DFvRWEqPG/GoZ53exp+4eEGJzgPNTc1xpJBg6wfv4WisCQ30J5esRAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-24T08:41:20.366945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012886observed 9e5737eaeb1511251a6cbe7ecdee9e3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-24T08:41:20.293172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012886/manifest.jsonobserved aa586fa067aeaaf4260091fa1100d9ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:20.234479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012886/publication.mdobserved da52f70feb73c5e8848ccd98d71327f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:20.155057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012886/publication.txtobserved d5f4306789651be5f7e7a71695926dbb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:40.497374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012886observed 9e5737eaeb1511251a6cbe7ecdee9e3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:40.476542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012886/manifest.jsonobserved aa586fa067aeaaf4260091fa1100d9ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:40.456490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012886/publication.mdobserved da52f70feb73c5e8848ccd98d71327f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:40.436588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012886/publication.txtobserved d5f4306789651be5f7e7a71695926dbb...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 |
|---|