OT-2026-000047977
Publication integrity record
Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after set-down
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-2026-000047977) never changes.
Identity and time
| Publication number | OT-2026-000047977 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-c422-70f7-a07b-391dde70ac75 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:24.028554Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047977 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1554d0e1874cb5e111611c50b0c81286af2e5d5e5a49554d7bc3b9768c2adc7 |
|---|---|
| Markdown | 628d6f644705495d78f487882b17e347c90977254dc827ab90c3862451f29b49 |
| Publication page | b76846aed0884cf35c0705e14dacb86f8f5a8927071ae24a7f89526510a4694e |
| Manifest | 192626405aafbddac01079b07820346892b08b2e8302d23e067d69fc59edf99c |
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 | 8EQiyICACSNrat5LXblRJavc2FL4tk2UsLxU9K21zCGL3J9aN0zX7eietEq4Y2iNa9AqLrnO94HHGbiuZxcpCg== |
| 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
| 2026-09-17T12:41:15.289906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047977observed b76846aed0884cf35c0705e14dacb86f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:41:15.015138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047977/manifest.jsonobserved 192626405aafbddac01079b078203468...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:14.718251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047977/publication.mdobserved 628d6f644705495d78f487882b17e347...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:14.305154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047977/publication.txtobserved a1554d0e1874cb5e111611c50b0c8128...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:57.417088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047977observed b76846aed0884cf35c0705e14dacb86f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:57.396634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047977/manifest.jsonobserved 192626405aafbddac01079b078203468...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:57.377878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047977/publication.mdobserved 628d6f644705495d78f487882b17e347...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:57.358263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047977/publication.txtobserved a1554d0e1874cb5e111611c50b0c8128...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
| Custody package | Pending Custody packages are produced weekly. |
|---|