OpenTechnical

OT-2026-000044446

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000044446) never changes.

Identity and time

Publication numberOT-2026-000044446 · never reused
Internal UUID01a0ae7c-39d7-7123-b561-cea6ad319303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044446
StatusPUBLIC

Content hashes

Canonical text2b54f5c785ff1da3316525f0f41242c3fed3dd917667ccabcff64e06032826bb
Markdown0e0f47e45b59578f6ca9d4edee782641c91d4d4026e6c61b7058bbe563370ee4
PDF
Publication page106ea10825cd31f4205e99e6e34c6ac24b6f08126ee229f614c13e3bf40304fc
Manifest8b83c97935698e3a47df0c2a6f5a3173cf7954af6173ebe9813728a6215ecfc3

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
Signature6hZ7eVknrBKj99xJipY8+lt6TNpOurOFypvpDBwuj1jtkwt3R2ivzii8vtkb0GuV5F6Asw1UXIt9DRrPDlITBg==
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

2026-09-17T08:30:48.053636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044446
observed 106ea10825cd31f4205e99e6e34c6ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.033766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044446/manifest.json
observed 8b83c97935698e3a47df0c2a6f5a3173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.009775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044446/publication.md
observed 0e0f47e45b59578f6ca9d4edee782641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:47.990713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044446/publication.txt
observed 2b54f5c785ff1da3316525f0f41242c3...
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.