OpenTechnical

OT-2026-000015110

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000015110) never changes.

Identity and time

Publication numberOT-2026-000015110 · never reused
Internal UUID01a0ae6d-ef47-7460-a978-958117013018 · 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-2026-000015110
StatusPUBLIC

Content hashes

Canonical text173e3c238f44e715c96d2ee02f5e618f060c50f67def7483d8813c4f64cc80d5
Markdown30dab55cc2efed7a325796902e19f31c6ef74410cd84be2cd3a0a3e9d92e3dab
PDF
Publication page9fff4af734f14ad29010b833cb2686db84db0c08f096a3496254955496535ed7
Manifestb72af806f1d2e04a8c9ac1f00b3ab207d13c31ce1e5747d79f4a19ed84b45631

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
Signaturey/Svk0lpCDFR9wrlzh6Hb1EclslA0Bz8Yct2BQa/wjRy24X1S8dEYv+aI3UiKiTuESwRcMGN9Uz4wOMvG7CjAQ==
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

2026-09-17T12:05:42.118454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015110
observed 9fff4af734f14ad29010b833cb2686db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.099409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015110/manifest.json
observed b72af806f1d2e04a8c9ac1f00b3ab207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.079814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015110/publication.md
observed 30dab55cc2efed7a325796902e19f31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.061292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015110/publication.txt
observed 173e3c238f44e715c96d2ee02f5e618f...
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.