OpenTechnical

OT-2026-000012689

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000012689) never changes.

Identity and time

Publication numberOT-2026-000012689 · never reused
Internal UUID01a0ae6d-5562-7402-b7c3-30210751f2d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012689
StatusPUBLIC

Content hashes

Canonical textc77b86cd48b72394bcd9f64d77fa93921cbffa2d4072d6b9e542bf8d6226c218
Markdown63f4ccd51e7b142b858e27b55942c3338d0a0f5266662719f5707c3080fa7c1b
PDF
Publication pagebd2bb4635714b39b1551952bf6ed209687baa1ebbc00c2124864fc5e4876e900
Manifestfcb55c4c92358f3f62dd5e5c552651f312e55c0e7e1de3b060c6e569d5daf5f9

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
Signature7NtgjBPA4T1fgSzVaHJQe/Oat5N7TEEBwjC8hT4imL5JCgt7mjmbuY1brT33YdWZSGHBd+w4KYI4LqY7kOuCAw==
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

2026-09-17T12:10:20.389481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012689
observed bd2bb4635714b39b1551952bf6ed2096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.368974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012689/manifest.json
observed fcb55c4c92358f3f62dd5e5c552651f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.349165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012689/publication.md
observed 63f4ccd51e7b142b858e27b55942c333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.330205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012689/publication.txt
observed c77b86cd48b72394bcd9f64d77fa9392...
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.