OpenTechnical

OT-2026-000033939

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000033939) never changes.

Identity and time

Publication numberOT-2026-000033939 · never reused
Internal UUID01a0ae75-df0b-7d7d-bc33-a9ca5533d504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033939
StatusPUBLIC

Content hashes

Canonical text048048c0bd405a12a722d6236a79cf5e758c529bed2da32425cc6eddc186bb57
Markdownbe562a4c08bce89601c4e1a48b31748363c7d7606b2a1e5ac984c23c4a8a5f52
PDF
Publication pageb643b0dd60c38c4ce6c9eddc08f300fb385cc24855a8550ff88742d4ef7efeb3
Manifestfbed8597c7ba31ac9ad921c618dbf8f21755b369d8af8cec36fa95a163b57597

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
SignaturehoiN5MCjbKTPnvq7BUx0nEXuD/BMlsv30QfNN9u6KLjsS4/UbEN27usaA1Fd16nYiqIco6Z8lxXACpFkZ1zlDg==
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

2026-09-17T11:30:47.655890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033939
observed b643b0dd60c38c4ce6c9eddc08f300fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.639598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033939/manifest.json
observed fbed8597c7ba31ac9ad921c618dbf8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.622441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033939/publication.md
observed be562a4c08bce89601c4e1a48b317483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.604895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033939/publication.txt
observed 048048c0bd405a12a722d6236a79cf5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.651430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033939
observed b643b0dd60c38c4ce6c9eddc08f300fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.626992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033939/manifest.json
observed fbed8597c7ba31ac9ad921c618dbf8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.602753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033939/publication.md
observed be562a4c08bce89601c4e1a48b317483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.570703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033939/publication.txt
observed 048048c0bd405a12a722d6236a79cf5e...
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.