OT-2026-000050427
Publication integrity record
Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050427) never changes.
Identity and time
| Publication number | OT-2026-000050427 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c48-72e3-93ed-6a9172d61309 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050427 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2da78cb5ec119aaa46beca84731cbe7f6e440e8ad6e667f5d4923d1227ee8191 |
|---|---|
| Markdown | f45c672c44da9c0e5b686e81ac40c711bd7d80a65dfbe35b3dcdd3eebe789d50 |
| Publication page | be92ac74318d2ee21d9ae192fd9b55bcaee8115a430cd323f54ed70b3fc93ac0 |
| Manifest | 5c4715db067d8b2f9c0b499d9071a15fef7bb1554261268514664f8a05d64eac |
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 | msRjRQsuKq9wxXwhaVY/Rh2q0ozda/bcpjhedDqS/HnijcP3PAiiy8qbRlgxc1dbC1C04Z0sUCfnTnwI+VyIAQ== |
| 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
| 2026-09-28T16:41:33.702644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050427observed be92ac74318d2ee21d9ae192fd9b55bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T16:41:33.608433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050427/manifest.jsonobserved 5c4715db067d8b2f9c0b499d9071a15f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:33.515212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050427/publication.mdobserved f45c672c44da9c0e5b686e81ac40c711...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:33.430018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050427/publication.txtobserved 2da78cb5ec119aaa46beca84731cbe7f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:42:15.179215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050427observed be92ac74318d2ee21d9ae192fd9b55bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:42:15.106098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050427/manifest.jsonobserved 5c4715db067d8b2f9c0b499d9071a15f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:42:15.014870Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050427/publication.mdobserved f45c672c44da9c0e5b686e81ac40c711...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:42:14.918350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050427/publication.txtobserved 2da78cb5ec119aaa46beca84731cbe7f...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 |
|---|