OpenTechnical

OT-2026-000081896

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000081896) never changes.

Identity and time

Publication numberOT-2026-000081896 · never reused
Internal UUID01a0ae97-0f76-7c38-9189-98d2b986165e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081896
StatusPUBLIC

Content hashes

Canonical text15ffc32293ba8d1b44739e31863588022a034956a88cd32111f6692f932fdf12
Markdown8801f95699c430f3bdbe6278ecf81688473d9162e0d0084502c14df2eba84599
PDF
Publication page434b23233c9e6f4385c1d832fa4f8ab66b148f7b006765096ce2861b56335dea
Manifestb0d8783cbfa9f9a0bc3200a9257d1a42498f356fd305570da123aec70ae6518e

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
Signatureh4zzX5jSQCrVJydjEY8cHQTsflwGokIU+Q4nL60lxptzylUnhJLioMTLR6ZoCHBCrldciiZxq3ZwFgQqpqkLAg==
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

2026-09-17T10:01:01.180511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081896
observed 434b23233c9e6f4385c1d832fa4f8ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.161324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081896/manifest.json
observed b0d8783cbfa9f9a0bc3200a9257d1a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.143287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081896/publication.md
observed 8801f95699c430f3bdbe6278ecf81688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.125363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081896/publication.txt
observed 15ffc32293ba8d1b44739e3186358802...
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.