OT-2026-000008449
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained blow-off after 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-2026-000008449) never changes.
Identity and time
| Publication number | OT-2026-000008449 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46a-70b0-8918-752f47d4185f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008449 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb3ae7f4785a869b8ee438e6c7d7bf91dedc138f5f82cb16efae12aaef2c1aa4 |
|---|---|
| Markdown | 45355bca20d0ade6c0469c0410b3d0ac6b68d2173d24a964ad2c7bc88ed8129e |
| Publication page | b88f0649fb7cbe874ef70fdcabd73f51e95e969b8c02811f59839eee79c7bad1 |
| Manifest | 59c36fb086a45a44154f62a1936f370760af509be00abb4dcc9dec371df06b28 |
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 | RQDIU+NQzY2CQ6huBo4h8IvRGXEsyMTM+evPGw2FGqBcGpwh4YAucEdHLDdnJBn/DzBqGlPucm+DS0/uJG3/DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-31T00:41:02.414086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008449observed b88f0649fb7cbe874ef70fdcabd73f51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T00:41:02.320653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008449/manifest.jsonobserved 59c36fb086a45a44154f62a1936f3707...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:02.235133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008449/publication.mdobserved 45355bca20d0ade6c0469c0410b3d0ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:02.130517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008449/publication.txtobserved fb3ae7f4785a869b8ee438e6c7d7bf91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:07.940492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008449observed b88f0649fb7cbe874ef70fdcabd73f51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:07.856635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008449/manifest.jsonobserved 59c36fb086a45a44154f62a1936f3707...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:07.772894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008449/publication.mdobserved 45355bca20d0ade6c0469c0410b3d0ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:07.670128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008449/publication.txtobserved fb3ae7f4785a869b8ee438e6c7d7bf91...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 |
|---|