OpenTechnical

OT-2026-000066827

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000066827) never changes.

Identity and time

Publication numberOT-2026-000066827 · never reused
Internal UUID01a0ae8e-ce43-749a-8ac2-ff1b233e2d58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066827
StatusPUBLIC

Content hashes

Canonical text67f650acc5f65e20bea662cd3dbffdeca040d364d0bd71ea43d44a1b53be2a7a
Markdowncaa73d3361a5028a9de2107ae9cedd28cdc590dbe5d294aabd1562d6947befde
PDF
Publication page027723d235bc9582d50a3a1b1d64b4b63b2797a15ee49ea526dd8c2c73bc7cd6
Manifest0a9887724092b8da6568400e788d465cefc6494e5df8abf1e617fcd74d1e2423

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
SignatureFPEFJv+mjFFsTH/pfB3HICd8DfOMtybSutcIaSdsfuhzkFKjb3x/5Avf+KY5XwGE2Zb+1ISx7cBmSh25twA9CA==
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

2026-09-17T10:33:15.610093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066827
observed 027723d235bc9582d50a3a1b1d64b4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.591443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066827/manifest.json
observed 0a9887724092b8da6568400e788d465c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.573315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066827/publication.md
observed caa73d3361a5028a9de2107ae9cedd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.556341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066827/publication.txt
observed 67f650acc5f65e20bea662cd3dbffdec...
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.