OT-2026-000015964
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000015964) never changes.
Identity and time
| Publication number | OT-2026-000015964 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-0c4d-7549-accc-e96b838a9082 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:02.846253Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015964 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74add958f16817e0f8fc3af4ed0c1e8e9f39bfbf20d22f7fa2416e51183bcfdc |
|---|---|
| Markdown | fe6b823efd6b4c949c2767f321350f91a19776e2dcec1649a8b49961b2d9f9a5 |
| Publication page | 16b5e8873547d1851802723ae4ca22e6b6a921d683a0edbb41bc490ebd18ee08 |
| Manifest | 4b0009062a9990b1a1cffae1de5e7111acbccba1dbf9e3face8a4599a19d68fe |
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 | /3wg3bgl5p6mXrFEaH8LBW+IBxlpEu1C8YNXCLw67HLsz4FXggRUM3FKBRTq05qBz/nY39uEuAglvRKv0JziDA== |
| 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... |
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Independent retrieval
| 2026-09-30T16:41:26.709771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015964observed 16b5e8873547d1851802723ae4ca22e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T16:41:26.634649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015964/manifest.jsonobserved 4b0009062a9990b1a1cffae1de5e7111...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:26.530146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015964/publication.mdobserved fe6b823efd6b4c949c2767f321350f91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:26.416064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015964/publication.txtobserved 74add958f16817e0f8fc3af4ed0c1e8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:56.311609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015964observed 16b5e8873547d1851802723ae4ca22e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:56.258596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015964/manifest.jsonobserved 4b0009062a9990b1a1cffae1de5e7111...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:56.203366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015964/publication.mdobserved fe6b823efd6b4c949c2767f321350f91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:56.117826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015964/publication.txtobserved 74add958f16817e0f8fc3af4ed0c1e8e...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 |
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