OpenTechnical

OT-2026-000018081

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000018081) never changes.

Identity and time

Publication numberOT-2026-000018081 · never reused
Internal UUID01a0ae6e-96fd-786a-952a-a7a93e76048e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018081
StatusPUBLIC

Content hashes

Canonical text925c863e93930781382278384695f8bcc9a717a68563ae783f5b350cfc37d328
Markdownd355d9dbbf65b8b3adff2d4854fb75dda8db7f388e64119b0165714ba37cdc21
PDF
Publication pagef677d9346dcbee59fc86022803494b8ad2a94b51b214a22184d9564f1343f0d6
Manifestf61de75eaf0b672257b98fe46678b5d269f3f6c0388782d0c0063ca3d42bd43a

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/eaJaIVRExI7Nt87DNYLVf1KX+alY/5+IP3m9/a0McjHHxOGu4QGjuPEHrwNsEoZABPHP/wPN7KZq40CNl7iCA==
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

2026-09-17T12:02:07.417684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018081
observed f677d9346dcbee59fc86022803494b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.400061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018081/manifest.json
observed f61de75eaf0b672257b98fe46678b5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.383171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018081/publication.md
observed d355d9dbbf65b8b3adff2d4854fb75dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.365933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018081/publication.txt
observed 925c863e93930781382278384695f8bc...
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.