OpenTechnical

OT-2026-000007812

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000007812) never changes.

Identity and time

Publication numberOT-2026-000007812 · never reused
Internal UUID01a0ae62-8d39-7d19-b14b-4df8960592a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:29.414051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007812
StatusPUBLIC

Content hashes

Canonical texta961ff0db6d7786adcb54e3cc65ef273aed7d4b1e45961ae1ab03204696f75bd
Markdown1f92edf75e2dbe3f9c90234a2d25481f7542ed76b5baf2767f6ac3b376d61fe2
PDF
Publication page2cc0266bc39a13d650286df6e573998b7acc0f511e8b10abf14a3e31cf51b6eb
Manifest40f6ce2c8bb8f42cef28ba0edb988944e9d8aa0ce1f57e7bfcb433c0bc3cb93d

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
SignatureMqvYM47Yj40beXUFCKREfYaPyqCByhBlXbpnaCPBggS2yPWttEQPrl9AukvOSGUFvvRC9W6lgt8q1mA2I183Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:04.002536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007812
observed 2cc0266bc39a13d650286df6e573998b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.985213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007812/manifest.json
observed 40f6ce2c8bb8f42cef28ba0edb988944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.967863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007812/publication.md
observed 1f92edf75e2dbe3f9c90234a2d25481f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.949868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007812/publication.txt
observed a961ff0db6d7786adcb54e3cc65ef273...
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.