OT-2026-000031120
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000031120) never changes.
Identity and time
| Publication number | OT-2026-000031120 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87aa-7ff4-b973-fb3159f8208a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031120 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f073b2d8884f720bf70831dfe46f261278ea41dfb6e19c7abf81f221de54387 |
|---|---|
| Markdown | 40cde69ccff631540801052bb7971598400f33bcd3f1c44e15f917a6f329fee1 |
| Publication page | a5cfaab14faa4ffb2185ff4d2579c422f26dbb2000b5d03c425e1574d751df46 |
| Manifest | e7361590646b25afe7043ddd1bb61488577c2f1e71b175bab0072f74d64aee80 |
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 | CFOXPftYdNXLYypeWm/kWqoMNs7rTvC8lRxQzjcROa3bu7sDBRr/bpkffDLUdwK9pHN6pGWiD0By+C5kDCN6Aw== |
| 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
| 2026-10-15T20:41:25.293915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031120observed a5cfaab14faa4ffb2185ff4d2579c422...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T20:41:25.182879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031120/manifest.jsonobserved e7361590646b25afe7043ddd1bb61488...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:41:25.066942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031120/publication.mdobserved 40cde69ccff631540801052bb7971598...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:41:24.861833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031120/publication.txtobserved 4f073b2d8884f720bf70831dfe46f261...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:57.889031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031120observed a5cfaab14faa4ffb2185ff4d2579c422...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:57.818010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031120/manifest.jsonobserved e7361590646b25afe7043ddd1bb61488...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:57.768630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031120/publication.mdobserved 40cde69ccff631540801052bb7971598...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:57.653239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031120/publication.txtobserved 4f073b2d8884f720bf70831dfe46f261...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 |
|---|