OpenTechnical

OT-2026-000018424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000018424) never changes.

Identity and time

Publication numberOT-2026-000018424 · never reused
Internal UUID01a0ae6e-b489-7f01-8ddf-a3ec664f39c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018424
StatusPUBLIC

Content hashes

Canonical text85d2beb8bad717fae5400b0ce18f41bb03a30ffa751f61525f53a4afbf6b1125
Markdowndf2926f7dd091acad6a18a8797b49b602788f61d34e4be147d84cd1f904a5938
PDF
Publication pagea0147321400a89e0c4f3fbb3746af45ab42a239c4a066d08884b7e30953ca05a
Manifestda8d7d701a2a96b6a7aab1a9c291c0f5861b5e97bfa059933c89b4ecaf025ff0

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
SignatureRfIsyBj/+XCg95uOePlzdAYRcRCSSU5HuE+MZjBnkQKghPCDL+8BNU+U52ImuwNXZl2miDUhoafNXFhOUKkjAg==
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

2026-09-17T12:01:10.377522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018424
observed a0147321400a89e0c4f3fbb3746af45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.359673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018424/manifest.json
observed da8d7d701a2a96b6a7aab1a9c291c0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.342013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018424/publication.md
observed df2926f7dd091acad6a18a8797b49b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.323282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018424/publication.txt
observed 85d2beb8bad717fae5400b0ce18f41bb...
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.