OpenTechnical

OT-2026-000089156

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000089156) never changes.

Identity and time

Publication numberOT-2026-000089156 · never reused
Internal UUID01a0ae9b-db00-70a7-8604-5e24a20918f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089156
StatusPUBLIC

Content hashes

Canonical text7fe73bf63f48183bf1b24095a85e9fd2aaef7c46872fd6857e3503df1fccd913
Markdown9a5f141b7628f97225f4c0169e047d3fd706ecf800ab75b03ef07aba05f55fb2
PDF
Publication pagef7482db65f18f513d31c947ae13e476601c1ffdb9a3b2f828230921d7f79f312
Manifest8073d6df61e2210fb0ebb00f0d3e2b46901c2f7390925ff3f5bc83d76acc6988

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
SignatureAkvs3U0l7y0u+C9N5F6mX6WW5iVE0mQ7EHHG6KmlqCVh+fPrsN9Q9gme1rmXidYyryMSl+qUZRAMCKlZ1N0GDQ==
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

2026-09-17T09:47:04.845716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089156
observed f7482db65f18f513d31c947ae13e4766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.828505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089156/manifest.json
observed 8073d6df61e2210fb0ebb00f0d3e2b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.809972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089156/publication.md
observed 9a5f141b7628f97225f4c0169e047d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.790974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089156/publication.txt
observed 7fe73bf63f48183bf1b24095a85e9fd2...
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.