OpenTechnical

OT-2026-000097001

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000097001) never changes.

Identity and time

Publication numberOT-2026-000097001 · never reused
Internal UUID01a0aea1-01c8-7a4c-ade3-e5177264c2fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097001
StatusPUBLIC

Content hashes

Canonical text63397c8a1c1c15622ca6aa3da0ad39a8d4a1f5dcf8f8fda816e7f4598db2303c
Markdownd6bb25a333552ef5062c52f3e54e5f72d9b49fefeab49c92f842b1a3c3f99f53
PDF
Publication pagef8087ff290af268a45f21034b343ecfbc457918863640e6708a613dd93dde643
Manifestd60dc6036f79b82b0dfd998bab6a336594d456a33e90d03cc0351b171ae78e99

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
SignatureWin1oeWcXfZvDfM+qIJoocfwRtz0lUKvsYM3lIytbMgeOe3ns197Ym2uGH6ta1WPiSwmKTZ85PtX0bsw1xx2Dw==
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

2026-09-17T09:10:27.210625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097001
observed f8087ff290af268a45f21034b343ecfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.190474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097001/manifest.json
observed d60dc6036f79b82b0dfd998bab6a3365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.169315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097001/publication.md
observed d6bb25a333552ef5062c52f3e54e5f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.150423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097001/publication.txt
observed 63397c8a1c1c15622ca6aa3da0ad39a8...
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.