OpenTechnical

OT-2026-000100392

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100392) never changes.

Identity and time

Publication numberOT-2026-000100392 · never reused
Internal UUID01a0aea3-66ee-7071-a44e-f6c96845a1fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100392
StatusPUBLIC

Content hashes

Canonical text3e576dabd2fe924efbc9c8cd2dd8ebd03c2e7cf8ce06af1cfbcef3b20a4ed7af
Markdown92577dcea7a65f9ba920b08aa4ad437f277d9153d4fb97cdfa78bdf26e39651a
PDF
Publication pageb9bd3923cd320efd24695610ba253c0004b7b1e6a02c52db4a1e252d7066e557
Manifestcb3708518ded25f181162dfc25e272fc50ea622c235be4f261ce91914c6f13df

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
Signaturef7psraaLqJp8tsUpaU9KKRpXwotGLaMxE4GLT0rOzSDp5VZjabw4dBJklzlt/nOUJqHcHBMuY8Up47FrXFxnAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:07.513524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100392
observed b9bd3923cd320efd24695610ba253c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.495177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100392/manifest.json
observed cb3708518ded25f181162dfc25e272fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.478494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100392/publication.md
observed 92577dcea7a65f9ba920b08aa4ad437f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.460775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100392/publication.txt
observed 3e576dabd2fe924efbc9c8cd2dd8ebd0...
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.