OpenTechnical

OT-2026-000086664

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000086664) never changes.

Identity and time

Publication numberOT-2026-000086664 · never reused
Internal UUID01a0ae9a-2c99-7830-8295-1ee3f460baaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086664
StatusPUBLIC

Content hashes

Canonical text431bfe698cbcdc464bb0cbb4cfc5133444a06079923bf45c344ef7b3410cb6cf
Markdownbb7983eab69ecf22d3e8cf2bbe8a2fa91ae2aef296b826398ea22f46d5167890
PDF
Publication pagee66d6773c0fec283edb1a636b5992731aec6abca7fa556f5650e371387541623
Manifestc43de92a0d3630c909c69c17379bac75bfb9fb908ad336b8338fa35c753f2c93

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
Signature9JkBc46p3x9KNxt9mnnmd8OIPM6wup+7+JqJ6HnoHN6+jYn12+LP0zqBz1wo+Og7iTQEG3vMnJ+ySfQTrQNyAA==
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

2026-09-17T09:52:31.739638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086664
observed e66d6773c0fec283edb1a636b5992731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.722904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086664/manifest.json
observed c43de92a0d3630c909c69c17379bac75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.706442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086664/publication.md
observed bb7983eab69ecf22d3e8cf2bbe8a2fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.689115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086664/publication.txt
observed 431bfe698cbcdc464bb0cbb4cfc51334...
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.