OpenTechnical

OT-2026-000091662

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091662) never changes.

Identity and time

Publication numberOT-2026-000091662 · never reused
Internal UUID01a0ae9d-43b8-764a-96b6-ab2ca206371f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091662
StatusPUBLIC

Content hashes

Canonical texte6255d9955e99d309038aff8645bdd7fe0ea1fb7286702376047bda5ccbd37b1
Markdowncef56ff5fce6a6c80eeacc7e943c3c02aef7701cab67a9bd3287a6aab8634950
PDF
Publication page964c2615412dc48ce21c50da443c75a2fbc546f459378533789ae8bb1ca9e846
Manifest29e036314fc6ea5f0368e5c81c6b24f1f69c6e992154e07653420b5981c2b1ea

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
SignatureHXkpxEWv1Xd70M7AGJSwKP8+v2hrbT+CLRA1tCpX0xOC6WA8Vv4cI9Fd4Vv6WhWZzbxsTVdwBprZ3oqaJVmXDg==
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

2026-09-17T09:42:02.303273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091662
observed 964c2615412dc48ce21c50da443c75a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.286278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091662/manifest.json
observed 29e036314fc6ea5f0368e5c81c6b24f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.270512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091662/publication.md
observed cef56ff5fce6a6c80eeacc7e943c3c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.254659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091662/publication.txt
observed e6255d9955e99d309038aff8645bdd7f...
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.