OpenTechnical

OT-2026-000088322

Publication integrity record

Four cup 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-2026-000088322) never changes.

Identity and time

Publication numberOT-2026-000088322 · never reused
Internal UUID01a0ae9b-5d27-7e1c-8e2d-60901e774cff · 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-2026-000088322
StatusPUBLIC

Content hashes

Canonical textdc96de8c57735cddb26a8a9a5af8ce7caf963111164d1277bec44376d1fa5cdf
Markdowneff0642e7afc722539fb48a77a06c7cb678299f87272155bf64ee4e042ba6c69
PDF
Publication pagede41b0d0630e46e555b7e520de0101ef9b962b247515d8a19657a11a935d0020
Manifestfc47a17d715e502ac94225e8db38a0788ca2131092d0434958a26bec94cfbf65

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
SignatureUnwTDYRqA+LjrO6tpFhY+VeS0xy0qizlLWIL1qh4y4/M+gJE8QW+uFeGKqmcFILSBU+OTXBvBP2BNRljXbgNCg==
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

2026-09-17T09:48:37.875308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088322
observed de41b0d0630e46e555b7e520de0101ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.856753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088322/manifest.json
observed fc47a17d715e502ac94225e8db38a078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.839888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088322/publication.md
observed eff0642e7afc722539fb48a77a06c7cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.822243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088322/publication.txt
observed dc96de8c57735cddb26a8a9a5af8ce7c...
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.