OpenTechnical

OT-2026-000029679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down

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-2026-000029679) never changes.

Identity and time

Publication numberOT-2026-000029679 · never reused
Internal UUID01a0ae73-5e23-7760-8a68-b9a571311d97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029679
StatusPUBLIC

Content hashes

Canonical text1e73c645d0860398fad2aeb4d0c5a1bfa3fccaf1a750ee1639768b0a2f1edeb6
Markdown5f2d52ef7aeaf3112a3b0e52a1694e048400af252746177ec64b22ca9fd75d25
PDF
Publication page7db29c856958daf2a98a3f9f3577d183ff2b9763f19ea719cdeccfbce6ef1a65
Manifeste9bd36e2d28b254aad128496a91794f7beb620500604800af562c704a993153a

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
SignatureMGD6jKIBKQyZJHiBXYJaXNerEwlK2x5rE0KKo9ai75fvjZU8BQZgoZ9leR2IkUbw4ZZwXOrlwC5Zbi8OtpY5CA==
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

2026-09-17T11:39:24.034238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029679
observed 7db29c856958daf2a98a3f9f3577d183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.016132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029679/manifest.json
observed e9bd36e2d28b254aad128496a91794f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.997791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029679/publication.md
observed 5f2d52ef7aeaf3112a3b0e52a1694e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.981580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029679/publication.txt
observed 1e73c645d0860398fad2aeb4d0c5a1bf...
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.