OpenTechnical

OT-2026-000050559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000050559) never changes.

Identity and time

Publication numberOT-2026-000050559 · never reused
Internal UUID01a0ae82-5c49-7c27-8d58-0205fabee666 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050559
StatusPUBLIC

Content hashes

Canonical textab46bd2bd5c6a5b815981df1379ad44b771b187c4a775520c51c1f6888bbe0c7
Markdown1e6b9eeb0c5f1fc9922e64792a0414b6a60e3bf8fb981d395736db730ecc8d07
PDF
Publication page177da2337a7ca8887a07fd1db859b90f6d784dd1d337939b9e0f7e6b9ce65142
Manifestb33a1eb3b82a9749bd7fe41f8427c42dceeeef8d980775aec0a26a0067401bf5

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
SignaturetAPTEN0xeEFIbzWhl6auXXUSnMTEZyvil/K1iRPt/mfJL4t6cq+HqNQVBmCMT5QxE7XTsFFieP5kQuzEnVNxCw==
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

2026-09-17T11:01:39.491037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050559
observed 177da2337a7ca8887a07fd1db859b90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.475077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050559/manifest.json
observed b33a1eb3b82a9749bd7fe41f8427c42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.459692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050559/publication.md
observed 1e6b9eeb0c5f1fc9922e64792a0414b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.443804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050559/publication.txt
observed ab46bd2bd5c6a5b815981df1379ad44b...
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.