OpenTechnical

OT-2026-000041812

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off 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-2026-000041812) never changes.

Identity and time

Publication numberOT-2026-000041812 · never reused
Internal UUID01a0ae79-e8a4-779f-9c35-767b4701c51e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041812
StatusPUBLIC

Content hashes

Canonical texteae5dc46b0763b2284e1f3e524535e4a10f3abf4ee59fb7fef1d8aa49082874a
Markdown35333fb4160222093da7e19d8469551243cd48b2867dc384ce69a1ff34547bbf
PDF
Publication pageea39bde9b3711d84674f53795d1959ebadab31f5d3ea5b8a2529cb057885c376
Manifestc82430fb17948b275e688112a8f5b7ed869c797e553b69bf4a3b14174ffdeb0f

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
Signature2ghcC5uqiFub/LIQKrmAdZsrDteOiY55PwvuQqxKC/58mQPvxSIwCLw4/msQ5QVYOehn0bzgSP2hsfPHLGzSAw==
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

2026-09-17T11:16:40.363170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041812
observed ea39bde9b3711d84674f53795d1959eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.345569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041812/manifest.json
observed c82430fb17948b275e688112a8f5b7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.330254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041812/publication.md
observed 35333fb4160222093da7e19d84695512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.314090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041812/publication.txt
observed eae5dc46b0763b2284e1f3e524535e4a...
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.