OpenTechnical

OT-2026-000050769

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000050769) never changes.

Identity and time

Publication numberOT-2026-000050769 · never reused
Internal UUID01a0ae82-c7b1-7f09-b168-dddcde3c3ea0 · 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-2026-000050769
StatusPUBLIC

Content hashes

Canonical text2268ff4cc14ce383640777daaebfe9e1b6fdc3f0b157261fc6c98441889621e4
Markdownbc21035f2e1267ed54114342f6abfca78b4570c15136bc4536414e4f82235fc0
PDF
Publication pageb5bb4a3fe4f7057368a1cadb913101688c048b2b25a92e2b1cc3960ed8e48521
Manifesta65eab4347fd152401ef2a6713af9f49362ba05dec0a0647781123958f79b964

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
Signaturej7RdKBddwPotvZBmmJWNmOTx15OfrDHlHb1DHKLUewJXCFxB258+1NIISWJrODEQFDBgF2WEA1fmn/jGujJKBQ==
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

2026-09-17T11:00:16.191007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050769
observed b5bb4a3fe4f7057368a1cadb91310168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.168137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050769/manifest.json
observed a65eab4347fd152401ef2a6713af9f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.141418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050769/publication.md
observed bc21035f2e1267ed54114342f6abfca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.140281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050769
observed b5bb4a3fe4f7057368a1cadb91310168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.107220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050769/publication.txt
observed 2268ff4cc14ce383640777daaebfe9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.106984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050769/manifest.json
observed a65eab4347fd152401ef2a6713af9f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.080034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050769/publication.md
observed bc21035f2e1267ed54114342f6abfca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.050736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050769/publication.txt
observed 2268ff4cc14ce383640777daaebfe9e1...
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.