OpenTechnical

OT-2026-000076606

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076606) never changes.

Identity and time

Publication numberOT-2026-000076606 · never reused
Internal UUID01a0ae94-b06e-75ec-bd2a-62f2351a09d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076606
StatusPUBLIC

Content hashes

Canonical textf51aff353bdedc7f039e88fa0f96d87bc6b70f5956e30b075ea86988a7bd4c25
Markdown4a4b804ad87cf378f651489174684316c76d5c708d421327b877192d8de11942
PDF
Publication paged48352df5d833fde14cf76215771aa405bd458e208c017f448fa6add16bbbca3
Manifest913fc58b33023ab66f3317f98d832cb3f25b69ab876bee8157cf11140ce5fce4

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
SignatureFnSWS/m3JILax166DezM63MYzYDcsJftFYYXlRJtJ80TRaE03/ob1hMNn7jkQny2Aj0RIyQkk2ALFypyHAjmAg==
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

2026-09-17T10:09:19.848902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076606
observed d48352df5d833fde14cf76215771aa40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.831879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076606/manifest.json
observed 913fc58b33023ab66f3317f98d832cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.813864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076606/publication.md
observed 4a4b804ad87cf378f651489174684316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.796130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076606/publication.txt
observed f51aff353bdedc7f039e88fa0f96d87b...
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.