OpenTechnical

OT-2026-000038486

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000038486) never changes.

Identity and time

Publication numberOT-2026-000038486 · never reused
Internal UUID01a0ae78-2d53-755d-ab9d-67677b10cde5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038486
StatusPUBLIC

Content hashes

Canonical texta281645d8eab2c13d927ea18f61f5afc764382de136b9842ef53737bf0e1a603
Markdown93cd50826bf5bdf0f186ab818fdad1f0ab8bd9905cd1d78039c2163bdc76bdc0
PDF
Publication pagef0918e9699ad3e1e9f1ebcc1364765b8d16f968afd929017f4e7e6f7aa45a2ca
Manifest33b3dc8f389bd74962304539cf9d88dda3d4af66a1deee0cf0b841ef56fa90e5

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
Signatureyy9MR7tiAWfbGpUsaTfseQQiH5Q1QXslrKZXEgo8PMvoPUWE6rfeB4NjpWPLAb+UiHP8rowpn8r+xp2Gdsp6Cw==
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

2026-09-17T11:22:43.600070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038486
observed f0918e9699ad3e1e9f1ebcc1364765b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.584053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038486/manifest.json
observed 33b3dc8f389bd74962304539cf9d88dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.564634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038486/publication.md
observed 93cd50826bf5bdf0f186ab818fdad1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.546765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038486/publication.txt
observed a281645d8eab2c13d927ea18f61f5afc...
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.