OpenTechnical

OT-2026-000097702

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000097702) never changes.

Identity and time

Publication numberOT-2026-000097702 · never reused
Internal UUID01a0aea1-92f4-7ad4-a50c-471f1039f3a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097702
StatusPUBLIC

Content hashes

Canonical text7e04568e974862c642e0d481f40216a5101524c7056d17838df0627ccfde91d4
Markdownbc5d99f533fee361a7158f6f5f3a9d6acd7c13b32b5d3301f6afce7f730f47af
PDF
Publication page3557be6d1ede892a9c911f845e431c624eba44902b2ce2abadfebd9054c6bb2d
Manifest3bf11d8f9b2b30fa07490171b9e4595bbd5c070a80097de032b8e984bb8c8aa7

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
SignaturefSNtcsTxx5EsoJ/8Uxx3ijSw99vTOi9dj9QWOkXr1D52yg/qzbAtH3A8ZjbVCP09N83sYre+DHfmlQgyYGw+AQ==
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

2026-09-17T09:32:43.657339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097702
observed 3557be6d1ede892a9c911f845e431c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.639143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097702/manifest.json
observed 3bf11d8f9b2b30fa07490171b9e4595b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.620178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097702/publication.md
observed bc5d99f533fee361a7158f6f5f3a9d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.602085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097702/publication.txt
observed 7e04568e974862c642e0d481f40216a5...
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.