OpenTechnical

OT-2026-000013218

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000013218) never changes.

Identity and time

Publication numberOT-2026-000013218 · never reused
Internal UUID01a0ae6d-6fc9-703c-b986-4944ea2b49fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013218
StatusPUBLIC

Content hashes

Canonical text14baf7ee837f7d86cb75eb11c766654931368190cb6d5e9dc70ed69875c23f5a
Markdown6dc544d81eeae12463c5173fe1b5b5048ecf12bbddce6c86f1e17b72124026b1
PDF
Publication pageaa2c52bc7b2b6f266b61101837a4a27c21568f576b911fe491d291db75b4ca37
Manifest69ca750f22edb8d04a1ea56ae6c95388848e4c9a0cc6524f2b92257e71f7a4c5

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
SignatureqzNxCBI4Kbj1ffq3q18PJnSv5V5BHVzhyFcyaugcljcbUDiOgfDPI7YxoIAkB+Ui8qUVapshsBnh9z7ZzHAxCA==
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

2026-09-17T12:09:36.585311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013218
observed aa2c52bc7b2b6f266b61101837a4a27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:36.565344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013218/manifest.json
observed 69ca750f22edb8d04a1ea56ae6c95388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:36.545362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013218/publication.md
observed 6dc544d81eeae12463c5173fe1b5b504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:36.526811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013218/publication.txt
observed 14baf7ee837f7d86cb75eb11c7666549...
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.