OpenTechnical

OT-2026-000082901

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000082901) never changes.

Identity and time

Publication numberOT-2026-000082901 · never reused
Internal UUID01a0ae97-8cca-7425-8b74-2cf57b2bc01d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082901
StatusPUBLIC

Content hashes

Canonical text761c5b4ba2d277dc5f55a10382ea44eb21005db88ebf9f7a818f6e276eb3362b
Markdowna77f8aaa70ffd48809d4033b2c50c4ec097d8d6f92b9d05d8d3e250461a3ebcc
PDF
Publication page588dfa3f129bcdf9dbcab78655f54769a3bd3be6ba894d74f8a7a60dc1dee9c8
Manifest880415de642e757ac9504b6b86029ca07090854cb303cf27f143d14d8e135ba8

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
SignaturehVuN7pZBfgth+voRPwnPZR2vxUDG9EAtec3t8dYjzLTPho0nxMpwmZbzYOFj+DufjHhO2mp+AQvFdk91W+5MAw==
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

2026-09-17T09:58:35.323433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082901
observed 588dfa3f129bcdf9dbcab78655f54769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.305390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082901/manifest.json
observed 880415de642e757ac9504b6b86029ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.286106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082901/publication.md
observed a77f8aaa70ffd48809d4033b2c50c4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.268950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082901/publication.txt
observed 761c5b4ba2d277dc5f55a10382ea44eb...
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.