OpenTechnical

OT-2026-000030919

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000030919) never changes.

Identity and time

Publication numberOT-2026-000030919 · never reused
Internal UUID01a0ae74-3fb6-7220-bb8f-a55c64fd32af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030919
StatusPUBLIC

Content hashes

Canonical text6b6e7d77cf49a6d6c8ad377692fb7fb0eb75f426d9797bdbedb139a8262d5405
Markdown333e943665d5397dee40871c6b7795515a87456405c63ff67b3848863d86e130
PDF
Publication page4b51c03b8146c98fbc00db080871b893ea480c24e6699962ccddf5bda61d59f3
Manifest91998d254b97c5a6bf4de60abfb7e51a3f6c142ea1b5ddaf6b5702d4cdf77f49

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
Signature/+cvKODJczO48Wb8dwJ8i1uxBPMSA6y//nojMx+I6tgKafiVCQzDeA3PAELu9fp8LN4hV2fzSI3YEl4rQxy8Cw==
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

2026-09-17T11:36:54.713149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030919
observed 4b51c03b8146c98fbc00db080871b893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.694514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030919/manifest.json
observed 91998d254b97c5a6bf4de60abfb7e51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.677638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030919/publication.md
observed 333e943665d5397dee40871c6b779551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.661171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030919/publication.txt
observed 6b6e7d77cf49a6d6c8ad377692fb7fb0...
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.