OpenTechnical

OT-2026-000050997

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000050997) never changes.

Identity and time

Publication numberOT-2026-000050997 · never reused
Internal UUID01a0ae82-c7b4-7af8-90f4-ad1949767c7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050997
StatusPUBLIC

Content hashes

Canonical text4a5e9d8bb7eb516623f28a4fb12bff4aa30826f99db868c8fb75ac2a187dc9c3
Markdowndbc550e77b9acba5ea88d75b2b21f65c2f32b11e4443da5cd378a831083a6329
PDF
Publication page295c742f5b4349192f7f8329b0ed80a0c6ddcaae4fe5d1aa9d454f81b4d7e2e9
Manifesteb29d257ae0b1258ee389b7eb6a6e1f4bf3653211c2bf209297e786e009e9727

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureRU5fncqWwa8DnwBmsrH+il08J/asevsI6hJ7eJkRbIVEXZHCW2bpAg0usPZN3HypAh51H2tPg9cOShLw57pnBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:53.676400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050997
observed 295c742f5b4349192f7f8329b0ed80a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.656313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050997/manifest.json
observed eb29d257ae0b1258ee389b7eb6a6e1f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.637049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050997/publication.md
observed dbc550e77b9acba5ea88d75b2b21f65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.617774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050997/publication.txt
observed 4a5e9d8bb7eb516623f28a4fb12bff4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.615206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050997
observed 295c742f5b4349192f7f8329b0ed80a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.594267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050997/manifest.json
observed eb29d257ae0b1258ee389b7eb6a6e1f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.574712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050997/publication.md
observed dbc550e77b9acba5ea88d75b2b21f65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.556549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050997/publication.txt
observed 4a5e9d8bb7eb516623f28a4fb12bff4a...
fetched by instance-3.rotem.ai from 34.69.0.72, 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 archivePending 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

Custody packagePending Custody packages are produced weekly.