OT-2026-000073491
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000073491) never changes.
Identity and time
| Publication number | OT-2026-000073491 · never reused |
|---|---|
| Internal UUID | 01a0ae92-efb9-733b-9af4-02ed1143fdb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:20.363042Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073491 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fd5f71bef2cd160316c7b1fbd9fd5e0683d427205d381faf52a801c9c71c776 |
|---|---|
| Markdown | 6f550143e28124780d948c5800ffb72de3df84959f87a303cbd0469a03ca16da |
| Publication page | 967c1b8ab02866766416a7db3c98fff34259824ce7cd113bba516267021376e1 |
| Manifest | 110a7f854d05f6a099e52878f1850ee00c80a75b251b686bae60a361c5aa7bb5 |
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 | XbSGy3ISNGIMkgQjVmy9jKrdyGBee6osmLeQBRoT8T2WdEnqXYamNIzgQlbSgupaY91o7NLDCyUGG5Csr8KuCA== |
| 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
| 2026-11-03T20:41:36.248869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073491observed 967c1b8ab02866766416a7db3c98fff3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T20:41:36.197991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073491/manifest.jsonobserved 110a7f854d05f6a099e52878f1850ee0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:36.149977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073491/publication.mdobserved 6f550143e28124780d948c5800ffb72d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:36.096672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073491/publication.txtobserved 8fd5f71bef2cd160316c7b1fbd9fd5e0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:42.910935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073491observed 967c1b8ab02866766416a7db3c98fff3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:42.894721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073491/manifest.jsonobserved 110a7f854d05f6a099e52878f1850ee0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:42.872072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073491/publication.mdobserved 6f550143e28124780d948c5800ffb72d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:42.846027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073491/publication.txtobserved 8fd5f71bef2cd160316c7b1fbd9fd5e0...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 |
|---|