OpenTechnical

OT-2026-000072034

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000072034) never changes.

Identity and time

Publication numberOT-2026-000072034 · never reused
Internal UUID01a0ae92-47c1-7d66-a9c3-e8554adaaa44 · 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-2026-000072034
StatusPUBLIC

Content hashes

Canonical textb969fe3021e098ca8ca8a11f95ce49044ca5640a80c865b97f42ddcbb0014864
Markdownb1635c713294fcfb42d868c4f4a016fcf97c2ab918889d3ef0637be790c14dbb
PDF
Publication pagecce9096d89097ee77e12250fb39e3d7cea32698344f7a41acd70fd0959c1f612
Manifestc2f1267c622690fc749aeefdf2665991c92095ba3637bfbf70e828f998cff1c5

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
SignatureT67qFsNFu6wBU7bWwcBID6Shlp2NsETQFuum8HfRSY7Q17IqZiRw1/GryasThbpcEJDNROS2Nk6z5sAATYwcCA==
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

2026-09-17T10:23:05.908432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072034
observed cce9096d89097ee77e12250fb39e3d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.892635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072034/manifest.json
observed c2f1267c622690fc749aeefdf2665991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.876851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072034/publication.md
observed b1635c713294fcfb42d868c4f4a016fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.859752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072034/publication.txt
observed b969fe3021e098ca8ca8a11f95ce4904...
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.