OpenTechnical

OT-2026-000089525

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold 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-2026-000089525) never changes.

Identity and time

Publication numberOT-2026-000089525 · never reused
Internal UUID01a0ae9b-db02-7992-865d-16465fdf9973 · 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-2026-000089525
StatusPUBLIC

Content hashes

Canonical text53e96b6bcd3cbcef0a0b6f1bdb791127130805c014cf853b52e6d58c89a253ab
Markdowna7146b3de71fef87f941618d651e4ae1c19749568487541521f47540b4cc155a
PDF
Publication pagea6ecb6eeb66ed9afd0b646cf4ee9d5c34733b63a3c3228cfe8596b9ca57563b0
Manifestfc4031827a407f773957e488c560d5972c720d67265d19ad4d04a810a693c08e

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
Signature6t3DUUPK+zoNlWy3CiHz2cwRxYTHn6+TVPiFY2ZD4JkDaLdOT+r3fTsLgveXmqst5L/W48I39M9jkg49EcN1AA==
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

2026-09-17T09:47:41.090126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089525
observed a6ecb6eeb66ed9afd0b646cf4ee9d5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.072793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089525/manifest.json
observed fc4031827a407f773957e488c560d597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.056213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089525/publication.md
observed a7146b3de71fef87f941618d651e4ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.040322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089525/publication.txt
observed 53e96b6bcd3cbcef0a0b6f1bdb791127...
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.