OpenTechnical

OT-2026-000062525

Publication integrity record

Three cup vacuum gripper, three 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-2026-000062525) never changes.

Identity and time

Publication numberOT-2026-000062525 · never reused
Internal UUID01a0ae8c-0ac1-7b48-9cac-0eae20176644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062525
StatusPUBLIC

Content hashes

Canonical text82d19808be22ac0520415b9338f80af8cae15299d524085caca8de49ff1c6c00
Markdown80187676e3e51f0bcc0bd4c9ac6f9723ffe96de5aed7e56fcc5c7e58013287c8
PDF
Publication page5aef3f6b71feea0a199ef46133c9dc8afc3a846bc7fed17d91139728a2bd3582
Manifest635cace6d4a7ca3d21a5c7452b13978904fd0d77a77d1cc600bd0f6791b200a3

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
SignatureLKD366isAUC1ss2PMMeov9ifWwfvUzQU/IiFsPC9pHlvVfGYxTzlXo/FSfmpJa0dE9nL+x8URGL6x/NY8fslAw==
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

2026-09-17T10:39:58.979127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062525
observed 5aef3f6b71feea0a199ef46133c9dc8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.960968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062525/manifest.json
observed 635cace6d4a7ca3d21a5c7452b139789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.941403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062525/publication.md
observed 80187676e3e51f0bcc0bd4c9ac6f9723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.922205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062525/publication.txt
observed 82d19808be22ac0520415b9338f80af8...
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.