OpenTechnical

OT-2026-000062529

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-2026-000062529) never changes.

Identity and time

Publication numberOT-2026-000062529 · never reused
Internal UUID01a0ae8c-0ac1-7256-8467-98412162e741 · 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-2026-000062529
StatusPUBLIC

Content hashes

Canonical text53b1c465fcf82bbffd88fc7e3fcc20be1f0bb2407bce4df4617d39effae96b27
Markdown5dd7e6738eef52bfee8611891d93ee047d118a8ff8fac0cbd9428cced603d0a3
PDF
Publication page804e555dfa5e0210c420d3a840d7d5eebcd2f425a60fad9d8301cc5e8b3a88b7
Manifest001f71bbcba5d305c267aeaec856bc42ece6fec25160467405be2fdf6796fedd

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
Signaturen49vUYWKysAc3bG7YM4lBai0EINASbG7NyAg6M9VkTUM18Pe0SXvcMwFKYjrjox0nOpdOKjyKqXPqGageFRXDw==
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

2026-09-17T10:39:59.312066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062529
observed 804e555dfa5e0210c420d3a840d7d5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.294242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062529/manifest.json
observed 001f71bbcba5d305c267aeaec856bc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.274802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062529/publication.md
observed 5dd7e6738eef52bfee8611891d93ee04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.253806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062529/publication.txt
observed 53b1c465fcf82bbffd88fc7e3fcc20be...
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.