OT-2026-000019812
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000019812) never changes.
Identity and time
| Publication number | OT-2026-000019812 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-7ad8-9660-d4192b082aa4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019812 |
| Status | PUBLIC |
Content hashes
| Canonical text | 247fe41bd5ffcb748098ddc46b1c267ed54f2b18d97c86ba476413a234c27ca9 |
|---|---|
| Markdown | d49945c0e3976f1310755d9b2abe0fb537af843fdd59c10083acd943b55fdd96 |
| Publication page | 78b5b0854ccfbda840db6238c2ac1d8324133edf27e1c1ae5a8daf940bb98109 |
| Manifest | f7c2115cd79320531583c7d532d302a4460c14bed480b5c3d58b7d96d4918fa2 |
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 | tJG165pyXayy7tuziBE+NhWAZfTo5Fks4R1QQUmvXPYKzr3a4iOlMXnFBwjM7+wiuqNq3llm4ASqI8dKIsDEAQ== |
| 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
| 2026-11-01T04:41:06.006818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019812observed 78b5b0854ccfbda840db6238c2ac1d83...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:41:05.937071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019812/manifest.jsonobserved f7c2115cd79320531583c7d532d302a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:05.842838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019812/publication.mdobserved d49945c0e3976f1310755d9b2abe0fb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:05.721061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019812/publication.txtobserved 247fe41bd5ffcb748098ddc46b1c267e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:04.799797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019812observed 78b5b0854ccfbda840db6238c2ac1d83...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:04.728978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019812/manifest.jsonobserved f7c2115cd79320531583c7d532d302a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:04.673466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019812/publication.mdobserved d49945c0e3976f1310755d9b2abe0fb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:04.447896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019812/publication.txtobserved 247fe41bd5ffcb748098ddc46b1c267e...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 |
|---|