OpenTechnical

OT-2026-000074130

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000074130) never changes.

Identity and time

Publication numberOT-2026-000074130 · never reused
Internal UUID01a0ae93-7177-769d-91e7-3aedd4bdbde4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074130
StatusPUBLIC

Content hashes

Canonical text0a699e3db450300355183de6a63cb164c798271b489c40d9972c6799b1a36959
Markdown372abb8bb14574144483357f7d2834216b30bf0d0e38b3437818459dce0136eb
PDF
Publication page7ac69bf9a8773d593e9387ce065312918bd56258b8ece9ff7173565720974f05
Manifestf93dd72c0bdad3a4c0b0341b138ac2c283e62cfd4d6b7d88bad700d4cfebf38e

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
Signature2T0s/enP+2KI/QKNv37M4tedxUS0ZPk6shGSU4AxPuZsjAZDyos9GQB7a2+SRr+1Diw8bck0DtHtq3KGHJrABw==
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

2026-09-17T10:18:58.354687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074130
observed 7ac69bf9a8773d593e9387ce06531291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.336547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074130/manifest.json
observed f93dd72c0bdad3a4c0b0341b138ac2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.318418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074130/publication.md
observed 372abb8bb14574144483357f7d283421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.299808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074130/publication.txt
observed 0a699e3db450300355183de6a63cb164...
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.