OpenTechnical

OT-2026-000014343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000014343) never changes.

Identity and time

Publication numberOT-2026-000014343 · never reused
Internal UUID01a0ae6d-b27a-7272-9837-878e08f6fdc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014343
StatusPUBLIC

Content hashes

Canonical text684e5a58ed456a9bfb2e9864b2fca2b0cfb810eb199657bb58c1cea746a67743
Markdown8d4ebe256daa0e789b9759042a9cea626a6363d1a6e78797a94adc161b803c56
PDF
Publication pagef37f65aaee4750dc238c386b16e78fe007dccaecbe8601faf7b8a8fbb882e4a4
Manifest0cb832770d18a29ea2facc8e5440d324d2baa2c7e596d90612c3f7b6fc62da5a

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
Signaturek3J/tcihGb+2KD70YLDV/l3bmr1tBQB4Iw20DKkLh97WD6inQDmQbDCSVcti7DHefXTVtcHJnW81YekbfQ4mBA==
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

2026-09-17T12:10:03.337651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014343
observed f37f65aaee4750dc238c386b16e78fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.316079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014343/manifest.json
observed 0cb832770d18a29ea2facc8e5440d324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.295343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014343/publication.md
observed 8d4ebe256daa0e789b9759042a9cea62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:03.276646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014343/publication.txt
observed 684e5a58ed456a9bfb2e9864b2fca2b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:10.957914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014343
observed f37f65aaee4750dc238c386b16e78fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:10.938026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014343/manifest.json
observed 0cb832770d18a29ea2facc8e5440d324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:10.918650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014343/publication.md
observed 8d4ebe256daa0e789b9759042a9cea62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:10.899451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014343/publication.txt
observed 684e5a58ed456a9bfb2e9864b2fca2b0...
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.