OpenTechnical

OT-2026-000032849

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000032849) never changes.

Identity and time

Publication numberOT-2026-000032849 · never reused
Internal UUID01a0ae75-4842-75a4-b1a9-ae138ad29256 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032849
StatusPUBLIC

Content hashes

Canonical textafe6e52215974a48e3384f2d1139b754a36acb5704e7ee1e67167fda9cdba41b
Markdown0caa4684c130bf37e79af81c65f822ed92342d0ef4352ce8ae9812b1e13bbca4
PDF
Publication pagef40ad2645eb87aa5cd37fcbf331afac3f8b0f918062edc47fe81b080f0382515
Manifest3fbba17206c33d78a81028c9fcbe997048298b73ddea2a9ab1f20f2c5a2a3ad7

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
SignaturexJJ5xZPRoPVRfs4MYiWFIsLa4T6daCSw7ZurhpdwXhRlgAKgv56ynk8gQBNSPTRpfZUSBDg9IQtWGCxxK1/9Cw==
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

2026-09-17T11:32:18.703918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032849
observed f40ad2645eb87aa5cd37fcbf331afac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.685538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032849/manifest.json
observed 3fbba17206c33d78a81028c9fcbe9970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.668353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032849/publication.md
observed 0caa4684c130bf37e79af81c65f822ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.650776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032849/publication.txt
observed afe6e52215974a48e3384f2d1139b754...
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.