OT-2026-000072151
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000072151) never changes.
Identity and time
| Publication number | OT-2026-000072151 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c2-7af3-97b8-00cba70a9209 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072151 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81f1c97f80b58a0de068e652483bdfff100dc9495e0e7c2c4f5829953437bb42 |
|---|---|
| Markdown | ee758f2eb99113645d51d48d4d9307cc6a8aaa465f292be2e6be25709c2f31ed |
| Publication page | 14c85c90b7c3fb092611537f925fd6f3636dfdb5d22899aed4ac9c55aae914cc |
| Manifest | 940b736e26aa962ee6e53d9cdea01dde3f598513b6bf0fa8a8b96cfa0d681d86 |
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 | 0iKGlkDAkk4bLiGDmuUwzi0cNfjCrsQmR70dfhbe2yQRGBDiRqtoef2gbpVBhWIK0FjyF4D+emA8RRm35GxNAw== |
| 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
| 2026-10-26T16:41:36.142189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072151observed 14c85c90b7c3fb092611537f925fd6f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T16:41:36.079008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072151/manifest.jsonobserved 940b736e26aa962ee6e53d9cdea01dde...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:36.011640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072151/publication.mdobserved ee758f2eb99113645d51d48d4d9307cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:35.881589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072151/publication.txtobserved 81f1c97f80b58a0de068e652483bdfff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:21.248340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072151observed 14c85c90b7c3fb092611537f925fd6f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:21.167763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072151/manifest.jsonobserved 940b736e26aa962ee6e53d9cdea01dde...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:21.057661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072151/publication.mdobserved ee758f2eb99113645d51d48d4d9307cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:20.948349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072151/publication.txtobserved 81f1c97f80b58a0de068e652483bdfff...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 |
|---|