OT-2026-000064013
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064013) never changes.
Identity and time
| Publication number | OT-2026-000064013 · never reused |
|---|---|
| Internal UUID | 01a0ae8d-53bc-7e15-bf8f-23aa71bc3e3d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:48:12.763906Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000064013 |
| Status | PUBLIC |
Content hashes
| Canonical text | be5a21b8bbc8d6cc9686dfebad35790145816a755219981e723e7ac2cfaf1cf0 |
|---|---|
| Markdown | 19c7a67a52b70bb2230deb49c5d2de4afe16ca26669ea81530f140f5d29a343f |
| Publication page | e364948b33d03237de7b2640c799fa0dd4be558196895b1733148de7e7223c76 |
| Manifest | 08c08015af2c88fed6ebe75f47070e9f56886a72f1e4c4de9eef3fe3d54b028a |
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 | qc3p8TZiWtwwWk7dVtK/ACZI27aOYOWYT5RTOj7kq+cYduZXp9XAtuWhjibj3a9JJrgIryek1fyYKZEvVCUBAQ== |
| 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
| 2026-10-29T00:41:21.436168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064013observed e364948b33d03237de7b2640c799fa0d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T00:41:21.378758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064013/manifest.jsonobserved 08c08015af2c88fed6ebe75f47070e9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:21.318116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064013/publication.mdobserved 19c7a67a52b70bb2230deb49c5d2de4a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:21.245101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064013/publication.txtobserved be5a21b8bbc8d6cc9686dfebad357901...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:09.575701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064013observed e364948b33d03237de7b2640c799fa0d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:09.449182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064013/manifest.jsonobserved 08c08015af2c88fed6ebe75f47070e9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:09.350157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064013/publication.mdobserved 19c7a67a52b70bb2230deb49c5d2de4a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:09.269504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064013/publication.txtobserved be5a21b8bbc8d6cc9686dfebad357901...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 |
|---|