OpenTechnical

OT-2026-000072259

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072259) never changes.

Identity and time

Publication numberOT-2026-000072259 · never reused
Internal UUID01a0ae92-47c2-702c-84e4-ead7e3446a1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072259
StatusPUBLIC

Content hashes

Canonical text62a37c5f33811b1195aa637576e2f7fd0d9484f67c03ac096ea837d5c4c03292
Markdown58f574e87a3a6c84c810ba174116413a8b39681ec4edf6d0a85da7b96d3efc3c
PDF
Publication page3775ec5a8f06d6e1c5f33fd39fffdbf7d70d6c243d0e2d0ddd40bdd962f85ae2
Manifestcf02d3e90ac048a6ee345e87dafddb512fbca8fea1c7b50e4a226a2a3cc756b3

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
SignaturernVo2ulGLtUml105Z+rSblZX+HJ+PhBg3vymZ5QBFDYHTG74XhPD/Zgy9jgKh6xaDqq4kpqxXtpDBBruFYmUCg==
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

2026-09-17T10:23:22.200543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072259
observed 3775ec5a8f06d6e1c5f33fd39fffdbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.182644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072259/manifest.json
observed cf02d3e90ac048a6ee345e87dafddb51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.166892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072259/publication.md
observed 58f574e87a3a6c84c810ba174116413a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.150036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072259/publication.txt
observed 62a37c5f33811b1195aa637576e2f7fd...
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.