OpenTechnical

OT-2026-000078456

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000078456) never changes.

Identity and time

Publication numberOT-2026-000078456 · never reused
Internal UUID01a0ae95-7c28-7697-ae9c-3c11bf70112a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078456
StatusPUBLIC

Content hashes

Canonical textbfbb93a22feb8fdfd2e513630837cb874503e5d09c2118e06f1c50e87cda536d
Markdown04406484d8adac3b5805d486ef9c935eda85b724ce98ba360892c29847a5aa36
PDF
Publication pageab9f303d22c5585a615ea5a33fe18fece053604db2bd23a3bd5c25ca9a8102ad
Manifest4bb59aac3b629dc2ad8282e1678974624da138a6a2d80f5affa354c76f2dacc9

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
SignatureGPZ9k9ERGz9NUd0p5X/5uOCwyHCTW9CzKps2USvsK6kR9PDCAT938/1hfZP04/qhUfGejsA1VjPW7qHSud8sCg==
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

2026-09-17T10:06:27.471779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078456
observed ab9f303d22c5585a615ea5a33fe18fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.452629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078456/manifest.json
observed 4bb59aac3b629dc2ad8282e167897462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.433946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078456/publication.md
observed 04406484d8adac3b5805d486ef9c935e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.416802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078456/publication.txt
observed bfbb93a22feb8fdfd2e513630837cb87...
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.