OpenTechnical

OT-2026-000029518

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000029518) never changes.

Identity and time

Publication numberOT-2026-000029518 · never reused
Internal UUID01a0ae73-5e21-7621-b2b2-1b669c8c5c30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029518
StatusPUBLIC

Content hashes

Canonical text570b52db90d435e64f91189961399ce748494585d44822d0c92680f0963144e9
Markdown80ff4fcee2c5102aaccae52cbec9e4e6d91f4e7ffe7c5c4c81ace02357c6aaba
PDF
Publication page75f1ffcd2d1de4ffb03315abb98d7eab5747ef319e3cf44ebf3b8004d8623422
Manifest3dc9bb2196508a213253149745374d4403febfcacbdabb5b8dccaab4502dd232

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
Signature0GykDWAnywgz+8zTQYpB5w0CeONLrlN9+e10eWqo3LBnVf9kjUgBxh09f54e/ySTLP7OqkNjbYEHvfo0DRk3Dw==
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

2026-09-17T11:39:09.804604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029518
observed 75f1ffcd2d1de4ffb03315abb98d7eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.784976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029518/manifest.json
observed 3dc9bb2196508a213253149745374d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.760287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029518/publication.md
observed 80ff4fcee2c5102aaccae52cbec9e4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.742621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029518/publication.txt
observed 570b52db90d435e64f91189961399ce7...
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.