OpenTechnical

OT-2026-000015390

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000015390) never changes.

Identity and time

Publication numberOT-2026-000015390 · never reused
Internal UUID01a0ae6d-ef49-7f64-b08a-70085ce26f09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015390
StatusPUBLIC

Content hashes

Canonical text26fabdbaf42c9a889f68e62fcb2e1820209e1855f8d2491827fa50a02fdfc7c4
Markdown81ffa041124650fa6fede043bb6624d8ba686ecc485dafe5dc0f452f4b7deed6
PDF
Publication pagec7f0bbf3ecab5ab5d0ce92ef905ede7ac78444a3e3ee82f46ca8ab7deeb47cfb
Manifestf9ef61f43b915de3203807cdaae2ffcd45b2d311050767651dc874f1c941f450

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
SignatureFjRYhpcMILvZSUokQh2KR4A6y0RsdR8I8FveMcf+A0hGtWWQ8YSilfHHRWQfO2br9Mly0NdkxwXxlAQ9I031Dw==
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

2026-09-17T12:06:06.604085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015390
observed c7f0bbf3ecab5ab5d0ce92ef905ede7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.583842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015390/manifest.json
observed f9ef61f43b915de3203807cdaae2ffcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.564912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015390/publication.md
observed 81ffa041124650fa6fede043bb6624d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.546351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015390/publication.txt
observed 26fabdbaf42c9a889f68e62fcb2e1820...
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.