OT-2026-000022021
Publication integrity record
Two cup vacuum gripper, two 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-2026-000022021) never changes.
Identity and time
| Publication number | OT-2026-000022021 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-72cf-b8bb-4a84378962a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ce1cb332321a08467e45d55b7aa8e7978195abd3f9b87a7d6b7669f719fa9d2 |
|---|---|
| Markdown | 58978aed240d37fe73c7ad448f42c1c74a724b360aaaa9a9e2d41548192d0677 |
| Publication page | f9306ace0814a87bd79da706658f698c6de642739b429deb6d8db815f8d67ae4 |
| Manifest | 8a9f6557f257e508bb2f04758f5835192aa15130ce6639166bae6088f3260f97 |
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 | bLnB6tlZPt8ydnMdB7qdD5hNB7YzyUtOaad6i1aT5Uo1x8mZhtQozBeVEsDrlc/kjR4laVzhlgwW7TmgbUAJCA== |
| 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
| 2026-10-30T00:41:14.875408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022021observed f9306ace0814a87bd79da706658f698c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T00:41:14.816825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022021/manifest.jsonobserved 8a9f6557f257e508bb2f04758f583519...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:14.765392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022021/publication.mdobserved 58978aed240d37fe73c7ad448f42c1c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:14.711953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022021/publication.txtobserved 2ce1cb332321a08467e45d55b7aa8e79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:13.127711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022021observed f9306ace0814a87bd79da706658f698c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:13.080115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022021/manifest.jsonobserved 8a9f6557f257e508bb2f04758f583519...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:13.027642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022021/publication.mdobserved 58978aed240d37fe73c7ad448f42c1c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:12.974700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022021/publication.txtobserved 2ce1cb332321a08467e45d55b7aa8e79...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 |
|---|