OpenTechnical

OT-2026-000064245

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000064245) never changes.

Identity and time

Publication numberOT-2026-000064245 · never reused
Internal UUID01a0ae8d-a460-7720-b729-467a603cd381 · 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-2026-000064245
StatusPUBLIC

Content hashes

Canonical text4b338ac1301fff9a69ac0fd1a9159313708b494df29329a6738a7426f5767221
Markdowna01718ee18f835d0ac3191ff7732b285eb0d22896d79c432c1fa961d75ad6396
PDF
Publication page2aa6ce59269afa3ab00a3ad404ffc774f9de2722dd9ce43dad41fbb3c0113bad
Manifest0f3ee315110dc3555dbbc0e27ce97ddaf034ef4ef46043ea6fd5cb23edace52f

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
Signaturep5zSLz8BPmZrEBaof2FbHeqDVOBnAmubDZJJt2O3y5d/JUm4WEowVozTFvcWP/BKMrpLTyCTzNLLJEoQaf1DDA==
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

2026-09-17T10:36:22.481813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064245
observed 2aa6ce59269afa3ab00a3ad404ffc774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.464767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064245/manifest.json
observed 0f3ee315110dc3555dbbc0e27ce97dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.447388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064245/publication.md
observed a01718ee18f835d0ac3191ff7732b285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.429567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064245/publication.txt
observed 4b338ac1301fff9a69ac0fd1a9159313...
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.