OpenTechnical

OT-2026-000015933

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000015933) never changes.

Identity and time

Publication numberOT-2026-000015933 · never reused
Internal UUID01a0ae6e-0c4d-7095-ac9c-1a83a4fcfe13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015933
StatusPUBLIC

Content hashes

Canonical textf28d06b8a10700396b4d329f8f9e65fd6597f726e9274a9219bdabc72b9fc85f
Markdownd3da2b1c8f3782d6f85adae7bd1e49fe264fdd4f34d384e5b7b97e222f2cdd12
PDF
Publication page14cff50171f1163a661718261b005cb6390a543d0d8b051767dad0e2e6fb0df4
Manifestc4edb778305f728fe81fd66aee82039ce7f6acb84eab926bda87cd6953c0d617

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
SignatureCIT0+CvcH4lbcQ2/QIs+uXD1lcq5JR7e0SxS5zhgZoBWjvNcmZ+BDfVOImuu/WR6HSI4VticUvH5UVKECQbpBw==
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

2026-09-17T12:05:24.261963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015933
observed 14cff50171f1163a661718261b005cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.240485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015933/manifest.json
observed c4edb778305f728fe81fd66aee82039c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.220030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015933/publication.md
observed d3da2b1c8f3782d6f85adae7bd1e49fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.202360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015933/publication.txt
observed f28d06b8a10700396b4d329f8f9e65fd...
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.