OpenTechnical

OT-2026-000088319

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000088319) never changes.

Identity and time

Publication numberOT-2026-000088319 · never reused
Internal UUID01a0ae9b-5d27-77c2-a327-74226d1630bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088319
StatusPUBLIC

Content hashes

Canonical text9240a23a452aa5c5584aaa4bd141fd144352c6eec38f7cddb3ebc4d1067ccb05
Markdown1d848fa648cf55ec7f6cf1c6a74b190f423a05fe1ee3e5498d900b38dc438303
PDF
Publication page45c0c05437e754b6aedfbf9d426dcf1c56d6883d41f1b00a29806c4200f257e7
Manifestbb4117d1389a8236a875bc1f597433274906e403b80f878189463bc92122061d

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
SignaturevLzZ3kX12Zlh88ouchAATirfv/8OQv3T7HnfgHLwjxdLUtzVlowWm0qjTRgDWDGXpkkF+K5qb8lQ9J6rVCaRCA==
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

2026-09-17T09:48:39.502232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088319
observed 45c0c05437e754b6aedfbf9d426dcf1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.483666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088319/manifest.json
observed bb4117d1389a8236a875bc1f59743327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.463800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088319/publication.md
observed 1d848fa648cf55ec7f6cf1c6a74b190f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.444849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088319/publication.txt
observed 9240a23a452aa5c5584aaa4bd141fd14...
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.