OpenTechnical

OT-2026-000004966

Publication integrity record

Porous face vacuum gripper, common isolation valve, ejector fed, 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-2026-000004966) never changes.

Identity and time

Publication numberOT-2026-000004966 · never reused
Internal UUID01a0a929-72b6-7b15-b2e0-49202597519c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:41:00.985217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004966
StatusPUBLIC

Content hashes

Canonical text5588c506a3dfde89bd5743e746b0c38134748d5f5146f51a9ad2568ae35023bd
Markdown4b8c2bcb03d0da2c21fc9aa9e8021f26103800f310709938ee773bafc76d9b35
PDF
Publication page89f4fd12b657dc385d80898dbb7ad721247de68226f560363e327e3dd013d7ae
Manifestb512056daa46c5ff63a4fffbe69808e67cb32e47053a8062485e4eae6712c657

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
SignatureUFbCqwJeYjOmTHBPhy+kiMtaZonliWmSt1yCxntInm3ykpGQyz3drbsay2t0+K88yvFd4zsCIKTGfGS7mavZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:29.978464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004966
observed 89f4fd12b657dc385d80898dbb7ad721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:29.964617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004966/manifest.json
observed b512056daa46c5ff63a4fffbe69808e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:29.949895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004966/publication.md
observed 4b8c2bcb03d0da2c21fc9aa9e8021f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:29.936945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004966/publication.txt
observed 5588c506a3dfde89bd5743e746b0c381...
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.