OpenTechnical

OT-2026-000081087

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000081087) never changes.

Identity and time

Publication numberOT-2026-000081087 · never reused
Internal UUID01a0ae96-b977-71d6-b605-e1ca12e2ef22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081087
StatusPUBLIC

Content hashes

Canonical text4411f8c788285a549c6a0c8bbb7a0d485d4814dfbf8aa64dafec658b8018eb48
Markdown0171263d9eea3d1300e509e312eac4a06e5b1c7d9f70ec82e0acbf51dd1370a9
PDF
Publication pagef5134cef9193d58bcacb25cf86a0c437ee2be6d756d1d9cd8520bd702c8cfb35
Manifestf9009662c2e238fe5ea020bf8d16ab46b65f9b2593dfe614f0315d7973af7824

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
Signature9Z4y1LupipxEbfVNFK9Ki8cu+MShGbbwEs9V69ouvGDv5oUkCKzmpxdqAeh/I9HTkVTSglNoWNmrd4+3ZgVhAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:23.453603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081087
observed f5134cef9193d58bcacb25cf86a0c437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.434498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081087/manifest.json
observed f9009662c2e238fe5ea020bf8d16ab46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.415781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081087/publication.md
observed 0171263d9eea3d1300e509e312eac4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.398463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081087/publication.txt
observed 4411f8c788285a549c6a0c8bbb7a0d48...
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.