OpenTechnical

OT-2026-000017949

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000017949) never changes.

Identity and time

Publication numberOT-2026-000017949 · never reused
Internal UUID01a0ae6e-96fc-7657-9acc-1424a5e4da26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017949
StatusPUBLIC

Content hashes

Canonical text53e6956cc40a8ea172ed6cf36be04cb50c9f6cd946ab080084b42c0635020ec8
Markdown07e45ea55bda905ee8520fe2954bc8f9ac07335b814fad6db2e4857a558e2398
PDF
Publication page645c98c6bcbcfe6c641b76bab35681f6a6a831a023184eee24c77e7cb0e6683e
Manifestb67293db4cebb38db242db026915bc0e2cb40ff5703b53f46cda54e9fc476487

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
Signatured2vp8t6nfa7wtxV9g321buD8FA3Ibf2Nt0NQUXH1MGH2ccAMNWmIEWWxotkhFxS9TBxgGyi8TbmB8iqQGGbbCg==
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

2026-09-17T12:01:56.985426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017949
observed 645c98c6bcbcfe6c641b76bab35681f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.967941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017949/manifest.json
observed b67293db4cebb38db242db026915bc0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.949889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017949/publication.md
observed 07e45ea55bda905ee8520fe2954bc8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.930109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017949/publication.txt
observed 53e6956cc40a8ea172ed6cf36be04cb5...
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.