OT-2026-000029259
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000029259) never changes.
Identity and time
| Publication number | OT-2026-000029259 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2aa1-7104-8196-bbe38ac0fa59 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029259 |
| Status | PUBLIC |
Content hashes
| Canonical text | c77da3c1580ac97e33591dfdc0f8473d6ea2b4fe4726fff360befb7ac187cf14 |
|---|---|
| Markdown | 6b6450804093ad8890258c4c309bd297da04b41eba641a6082d4fd37c966e455 |
| Publication page | d24cda63623380927d29d9876e6cb0f6b09f2d0cf6e0d99173802d2b8add5bb3 |
| Manifest | 9a751a2c863745387ff6c84fd0eb99a8ac669264f4bfac94eda5f9c78c9bee12 |
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 | FS1UfLTyI5bAAF4fwcrzRyODbI2PqIZasG6wOQZW6daNR75LAxxDjTO2hruhjRlvAHDsAR0Ve9tstvxxHim2Ag== |
| 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
| 2026-10-31T20:41:27.455719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029259observed d24cda63623380927d29d9876e6cb0f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T20:41:27.407317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029259/manifest.jsonobserved 9a751a2c863745387ff6c84fd0eb99a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:27.355458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029259/publication.mdobserved 6b6450804093ad8890258c4c309bd297...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:27.306602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029259/publication.txtobserved c77da3c1580ac97e33591dfdc0f8473d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:07.099788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029259observed d24cda63623380927d29d9876e6cb0f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:07.046025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029259/manifest.jsonobserved 9a751a2c863745387ff6c84fd0eb99a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:06.982446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029259/publication.mdobserved 6b6450804093ad8890258c4c309bd297...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:06.926017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029259/publication.txtobserved c77da3c1580ac97e33591dfdc0f8473d...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 |
|---|