OpenTechnical

OT-2026-000076834

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000076834) never changes.

Identity and time

Publication numberOT-2026-000076834 · never reused
Internal UUID01a0ae94-b070-7a0c-98d9-6086e207c448 · 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-2026-000076834
StatusPUBLIC

Content hashes

Canonical text4f91fc6d75658fadacd885239f520775990e8cea81ceb0859b0c0a748f1535ab
Markdown261a9a2ab181f27ca740de3424cae2ddd6469206022450d0a4a55b7ca58bbd5d
PDF
Publication pagec8e6da45fffce9f7eb3249eafcba8a0ef15caa12a912e304e3982842b8940dd2
Manifest4c9a208be6dd8d6a8959314223e2cad60df9d8cf27bf5924e1bbbffa5973ee46

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
SignatureE/vgNUVgaE/9vAHLfcxw+nNjOU+iLp3q2tcLIKHRH3XXDXa6Zm7MwJ1NUDe4ZvkcChFMGx4mnPotv5G9UBOlDg==
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

2026-09-17T10:09:42.985878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076834
observed c8e6da45fffce9f7eb3249eafcba8a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:42.966395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076834/manifest.json
observed 4c9a208be6dd8d6a8959314223e2cad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:42.947176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076834/publication.md
observed 261a9a2ab181f27ca740de3424cae2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:42.927526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076834/publication.txt
observed 4f91fc6d75658fadacd885239f520775...
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.