OT-2026-000008531
Publication integrity record
Single cup vacuum gripper, three stage ejector, 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-2026-000008531) never changes.
Identity and time
| Publication number | OT-2026-000008531 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46a-72fe-81fc-f4aa882d0246 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a559a6ee47414752055df2840e9a8d234309f5431cc002aa319b215b32b3085 |
|---|---|
| Markdown | d832c85feeaff30ede66b59d969de83f2d83b8c08ca6ac6158cd7f6306f4fe1a |
| Publication page | e35590160517b0cb5e92e0fc7c14c0f80bb9df01269ec428c989ef62e447868e |
| Manifest | 3f59b5adde2c43ea2e9f0eda6c45c5422921bf506ece0a97f2a691b77885d9a3 |
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 | T0ClG/YaucbQjJIXzjOr1gdJLYoQQKABmmlLEk3zhVaxKDh8SnFSfRrlzOGcH/dur9mz0nb5g++/pnmFgOG4AQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:41:07.999955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008531observed e35590160517b0cb5e92e0fc7c14c0f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:41:07.603557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008531/manifest.jsonobserved 3f59b5adde2c43ea2e9f0eda6c45c542...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:07.252177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008531/publication.mdobserved d832c85feeaff30ede66b59d969de83f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:06.802529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008531/publication.txtobserved 4a559a6ee47414752055df2840e9a8d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:27.058148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008531observed e35590160517b0cb5e92e0fc7c14c0f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:27.031756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008531/manifest.jsonobserved 3f59b5adde2c43ea2e9f0eda6c45c542...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:27.007690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008531/publication.mdobserved d832c85feeaff30ede66b59d969de83f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:26.981922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008531/publication.txtobserved 4a559a6ee47414752055df2840e9a8d2...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. |
|---|