OT-2026-000073013
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073013) never changes.
Identity and time
| Publication number | OT-2026-000073013 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c815-7cf6-a0be-2a17418a88a8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073013 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16948fa3e8579f92e42aab89469a36b52874938001eee15cf1a4831b605e98fa |
|---|---|
| Markdown | 35d9ec379d07f97ac8267449e20a9724ceb6c9d0b0505e3be3b15e861e6340f3 |
| Publication page | 917c26e26489506a0c4b3c32b045e6bdeb314bbf7ac15d0b5366d7e9a75e8514 |
| Manifest | 341d35337f3264cf5a7b2113c6eb481998463f73a2085f6226694da32fad16b8 |
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 | C76engT4AUw0+lJIN+T5Ezf+QC5UCIoXEQ4Pus9gpC/QF5hAd4/Uwn8wdHSrFAgaz27dJeoxdicApc9pHyNzAQ== |
| 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... |
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Independent retrieval
| 2026-10-20T16:41:10.615535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073013observed 917c26e26489506a0c4b3c32b045e6bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T16:41:10.533930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073013/manifest.jsonobserved 341d35337f3264cf5a7b2113c6eb4819...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:10.472570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073013/publication.mdobserved 35d9ec379d07f97ac8267449e20a9724...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:10.357000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073013/publication.txtobserved 16948fa3e8579f92e42aab89469a36b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:15.440359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073013observed 917c26e26489506a0c4b3c32b045e6bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:15.357088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073013/manifest.jsonobserved 341d35337f3264cf5a7b2113c6eb4819...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:15.283530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073013/publication.mdobserved 35d9ec379d07f97ac8267449e20a9724...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:15.205125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073013/publication.txtobserved 16948fa3e8579f92e42aab89469a36b5...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 |
|---|