OpenTechnical

OT-2026-000013018

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000013018) never changes.

Identity and time

Publication numberOT-2026-000013018 · never reused
Internal UUID01a0ae6d-5564-7834-8615-a7fc7700d8fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013018
StatusPUBLIC

Content hashes

Canonical textd83837462930f3383adf00381d11054674d96aaafc6583b4d065d39f800dfe3e
Markdownd7ee33d66955115d5b9de66fc910f517517c797d22187b5c46908158825fb253
PDF
Publication page343fb9f27b06543fb5e7fb002acc3560bde681efa7445f238f9b3206d75c1a76
Manifest6787424f45caeba71e2345955914b7fbc7acfd462135dbaaffa1288b142458c7

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
Signature53CjFLJww+DZJhCEyKa3wLkNkB9KMYGJDOJqRTSa6ekBOJ4X+WIIvu5Ur3aQCaLHS+QRes2zJyV7dpAiTKxxDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:11.807518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013018
observed 343fb9f27b06543fb5e7fb002acc3560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.788178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013018/manifest.json
observed 6787424f45caeba71e2345955914b7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.770292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013018/publication.md
observed d7ee33d66955115d5b9de66fc910f517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:11.752286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013018/publication.txt
observed d83837462930f3383adf00381d110546...
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.