OpenTechnical

OT-2026-000064357

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after set-down

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-2026-000064357) never changes.

Identity and time

Publication numberOT-2026-000064357 · never reused
Internal UUID01a0ae8d-a460-7a69-95a1-bee89cca81c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064357
StatusPUBLIC

Content hashes

Canonical text299118c376f5579c7878c1e9f1f5e7f37e89e815b4586fc9c3384eb2c101e6ac
Markdownc7d2225aaf33123971a4139e7071d975daccc1caeb4eeb94b81b4b8ef52de342
PDF
Publication pageb59c8222b6c3c0cea5a9eb87b30113689a352234722fa483fad0ab06f230e480
Manifest5c30a6420b1dc7c1b12057c3b76832da4862beaf8e1fd61cf19c7ecff1852f8b

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
Signature2X05uB6e69Y4hhqfT11JGczCMpSPA2gwclw7tOxxpygh67MzMpHZOMER6ek/eLUcAxwh2lnB7/omy5zxVcrFAQ==
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

2026-09-17T10:36:31.091563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064357
observed b59c8222b6c3c0cea5a9eb87b3011368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:31.074154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064357/manifest.json
observed 5c30a6420b1dc7c1b12057c3b76832da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:31.056385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064357/publication.md
observed c7d2225aaf33123971a4139e7071d975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:31.037898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064357/publication.txt
observed 299118c376f5579c7878c1e9f1f5e7f3...
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.