OT-2026-000029396
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000029396) never changes.
Identity and time
| Publication number | OT-2026-000029396 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e20-7298-b37f-bd67903c02ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029396 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4748373eec1b5f20d4c27e9584d733aaf205f5149b9f9dffc9a713348aa1ba97 |
|---|---|
| Markdown | 1a21f8dc0b313890c36f55089c1f0f09c8607f6dc1a8fdde3f99c0edb0fe0d3c |
| Publication page | 03f50b00f3fcedf5c045a635a659adfe98b1e6515d46a5ded827dc1af5ab5d3f |
| Manifest | e74b617d66b11ad15cb0f55a751491e19613f5922acf6ba79388867a81038cbd |
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 | E9ddmuXRQLSb12+G50WWggwUPkb6K9kr+HAWEKqi+CSHYbAJwE4T7ikMOJ3wfjpGIeAiWbvik43xX7xBl2jQAQ== |
| 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
| 2026-10-20T04:41:39.577754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029396observed 03f50b00f3fcedf5c045a635a659adfe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:41:39.526020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029396/manifest.jsonobserved e74b617d66b11ad15cb0f55a751491e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:39.472047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029396/publication.mdobserved 1a21f8dc0b313890c36f55089c1f0f09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:39.356409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029396/publication.txtobserved 4748373eec1b5f20d4c27e9584d733aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:47.447854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029396observed 03f50b00f3fcedf5c045a635a659adfe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:47.389710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029396/manifest.jsonobserved e74b617d66b11ad15cb0f55a751491e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:47.315050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029396/publication.mdobserved 1a21f8dc0b313890c36f55089c1f0f09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:47.115361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029396/publication.txtobserved 4748373eec1b5f20d4c27e9584d733aa...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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