OpenTechnical

OT-2026-000071495

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000071495) never changes.

Identity and time

Publication numberOT-2026-000071495 · never reused
Internal UUID01a0ae91-e0ee-7349-b501-dee53e69f10d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071495
StatusPUBLIC

Content hashes

Canonical textac27abe7f12f0560b47adbe842331006da7723263ed7e589d84cb2e79273a5d7
Markdownac71e07f5d915259c25b40934dc7abca5cca0c384cfe8ae0eb059fa19c020ca2
PDF
Publication page355cc050142e2edc3d78fdaebbef3017c2370f7f8ecbc4c25ec7d08c9ba32ec9
Manifeste647126a8a4b91079165e64ec73333e410230b8da95877cd81484c534b3c6c22

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
Signaturead4BpLyjfDIbmYxD3dkXCCcloPCg2vvPiwvyF26gNnXTB9MEIshvcME+rrzd6lwwjo5xA4pnubmhkPGg7q1kDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:08.370935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071495
observed 355cc050142e2edc3d78fdaebbef3017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.354728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071495/manifest.json
observed e647126a8a4b91079165e64ec73333e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.336343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071495/publication.md
observed ac71e07f5d915259c25b40934dc7abca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.318803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071495/publication.txt
observed ac27abe7f12f0560b47adbe842331006...
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.