OpenTechnical

OT-2026-000015583

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000015583) never changes.

Identity and time

Publication numberOT-2026-000015583 · never reused
Internal UUID01a0ae6d-ef4c-7eb1-8961-292d9ca02f1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015583
StatusPUBLIC

Content hashes

Canonical textcae4acfeed9b101ca9bb2918d838fa482eeb886853df591233c1c44adeb39228
Markdownaf5d082fd58500278fea0aa5b28c35251511e8445c5cddbdf1b62918947ed091
PDF
Publication page9ff14dc5f991111ddb54f9efa3decb997f6aa24695db86d480eda3ca26049588
Manifest94dfd0f5789707315a2de885d5ee1aba7d25a5c5c28f636eb26e927ec6d46250

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
Signature0pQt2L5TEfPW7VwWxZDrhcS49ldeHmhzQ7MPugp4HSlwNPiyvRpuIezyTU1QuzrfE+dozcMtVpffdjvt1Ts8Ag==
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

2026-09-17T12:06:22.790775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015583
observed 9ff14dc5f991111ddb54f9efa3decb99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.771998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015583/manifest.json
observed 94dfd0f5789707315a2de885d5ee1aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.751518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015583/publication.md
observed af5d082fd58500278fea0aa5b28c3525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.731938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015583/publication.txt
observed cae4acfeed9b101ca9bb2918d838fa48...
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.