OpenTechnical

OT-2026-000050294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000050294) never changes.

Identity and time

Publication numberOT-2026-000050294 · never reused
Internal UUID01a0ae82-5c46-725c-8c3c-c6a83ca04a00 · 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-2026-000050294
StatusPUBLIC

Content hashes

Canonical text421f9e1cbec984aec0335d95b152cea6cb16c8f63a5a13e603e6b2395df901f9
Markdown50c841ab47617843c8f0cb47852fb7c7ee7a56da4af3ca75b4c6066c0703922b
PDF
Publication page9b60ca6a0fa67cb7de650f34029ac536dc5ba43098b9a3a343f5803aa88b045a
Manifest7bdc495547ad555e08e504c4da82478584471f3fe2ddd33e7bf7698a988bcb97

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
SignaturertFRfVMHVpUa+ZTOar3PhRSgG1uN+HSiiNisR1RR7cue0XHFcvWjecivxLvrPJNPUUKQIrrI+kRmGstCSxbKBQ==
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

2026-09-17T11:01:18.043531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050294
observed 9b60ca6a0fa67cb7de650f34029ac536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.026058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050294/manifest.json
observed 7bdc495547ad555e08e504c4da824785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.008714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050294/publication.md
observed 50c841ab47617843c8f0cb47852fb7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.990611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050294/publication.txt
observed 421f9e1cbec984aec0335d95b152cea6...
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.