OpenTechnical

OT-2026-000100390

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

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-2026-000100390) never changes.

Identity and time

Publication numberOT-2026-000100390 · never reused
Internal UUID01a0aea3-66ee-7698-a89d-9ff969c1ab6f · 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-2026-000100390
StatusPUBLIC

Content hashes

Canonical text9d59bd252350956d32fbe97cb371ce9e21d1474eb24206cae7165a588ad86ff4
Markdown895c4b5d69e68e8476018adc68aa534f57ae6ef1c949a9071503454a65d15887
PDF
Publication page73dadfd9f6de4b35df0bd6f9a7cce50dc12f145f99d67273c77ce5b6118ec6eb
Manifest52323235b82468c7841d422db6323b9caab44c827363801bd72a6c41ab8b16be

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
Signaturegc1Am1UoSZ90JWKNVIDx9MWLiDDRPVNUaTWj6MweNA4Y8iwyLVpFQOIJ3GbGurLd/7rvyM70rVFb8aDcjy53Aw==
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

2026-09-17T09:27:07.367704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100390
observed 73dadfd9f6de4b35df0bd6f9a7cce50d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.350895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100390/manifest.json
observed 52323235b82468c7841d422db6323b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.334266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100390/publication.md
observed 895c4b5d69e68e8476018adc68aa534f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.317581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100390/publication.txt
observed 9d59bd252350956d32fbe97cb371ce9e...
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.