OpenTechnical

OT-2026-000021068

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000021068) never changes.

Identity and time

Publication numberOT-2026-000021068 · never reused
Internal UUID01a0ae6f-65e5-712b-aa53-aabe99ec159e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021068
StatusPUBLIC

Content hashes

Canonical text3910db484c1bf6a928a4bbb7d2c5eeff5375da2de655fb4939e3475208b3c525
Markdowna4ecbc2467f84588f73eda37a17e754c7ad6bdcd8b65a6146a8d9e79338ae927
PDF
Publication page5560e2c8e23dc37db1a608b5550d17950c0a6ab84da25c89b6517732fd27263b
Manifest5048f015ca256e0f77b63ce9010c4f322d1524275d35369d168bb63386ddcc6e

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
SignatureEty6ttVNrh9+bVmVKQmpKt1jmU95tf1XpYa6D3fRHILKOaQQaY3GmIMl1Y5M8MUtHylIuZ8Bi9le9RjPwHVqDw==
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

2026-09-17T11:56:14.400494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021068
observed 5560e2c8e23dc37db1a608b5550d1795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.382862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021068/manifest.json
observed 5048f015ca256e0f77b63ce9010c4f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.365649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021068/publication.md
observed a4ecbc2467f84588f73eda37a17e754c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:14.349196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021068/publication.txt
observed 3910db484c1bf6a928a4bbb7d2c5eeff...
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.