OpenTechnical

OT-2026-000042495

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000042495) never changes.

Identity and time

Publication numberOT-2026-000042495 · never reused
Internal UUID01a0ae7a-c0cd-7d2a-957d-8e630c43b5e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042495
StatusPUBLIC

Content hashes

Canonical texte759b0401509c9b79a6d18ab7e71456466c088dad2a32e2ca59f57300e8d928a
Markdown2cf7e6fa0c2fac804dc6ddf896226ba470e98f71704b04c8a65499da87b1e3f5
PDF
Publication page4226bf196597bfe25402c99c5a1f5228e5ffad0d990a45bd8f8a8b3753d6bd8f
Manifestce04839ef3282f5f184cdf8042d27d0bcef0122db4ad7b4a7ed5af3ab88b979d

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
Signaturegx+5207p1kM8avQ08RHRQyMQJLNW98CRB5tVJxvbHeszaf21ZI9RLZJzMhBGCSseoDXLbzEnWOz2gJegeSkXAQ==
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

2026-09-17T11:14:04.134901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042495
observed 4226bf196597bfe25402c99c5a1f5228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.115454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042495/manifest.json
observed ce04839ef3282f5f184cdf8042d27d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.097664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042495/publication.md
observed 2cf7e6fa0c2fac804dc6ddf896226ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.078732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042495/publication.txt
observed e759b0401509c9b79a6d18ab7e714564...
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.