OpenTechnical

OT-2026-000055087

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000055087) never changes.

Identity and time

Publication numberOT-2026-000055087 · never reused
Internal UUID01a0ae86-5e81-7680-8962-e3b3af96ce38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055087
StatusPUBLIC

Content hashes

Canonical textee2ff84d96a68442e033870c22cf5d3e3c9624d2d384e64256a2ddbbd6edda05
Markdown25ff07fd274b13ddab30845fb64b2d22420dcfb86d54c3d763588230d27c678a
PDF
Publication page0d2a379fcc9650b299d7af87747de9056e86e7c400bd6a465b8ae17357084c09
Manifeste2a6fbe414490207620ec7beed688c9b6f8aa6e75ccb11cc49232f20813097ff

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
SignaturepHVucdqxM6MUGOGpFqO1z5kEl1QeLW3x3K9ymquhYUO9KbqSe8Ymeb4RKrRt1+UoZII0lXqSunxnkKc70ogiAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:14.650033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055087
observed 0d2a379fcc9650b299d7af87747de905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.630681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055087/manifest.json
observed e2a6fbe414490207620ec7beed688c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.611845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055087/publication.md
observed 25ff07fd274b13ddab30845fb64b2d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.592484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055087/publication.txt
observed ee2ff84d96a68442e033870c22cf5d3e...
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.