OpenTechnical

OT-2026-000048807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000048807) never changes.

Identity and time

Publication numberOT-2026-000048807 · never reused
Internal UUID01a0ae80-c32d-7fc5-a5ba-37fcaf18ce8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048807
StatusPUBLIC

Content hashes

Canonical text583b8a0c4a604800ac0354dc9a90b91592e8371e4145d881d2cce7fbc3761f4b
Markdown16f6e6fddded915f5829328d39967b339dd3ae1bb5a5b112fe23c1754d5b5913
PDF
Publication page589b75c36d67464a52cf355effc43251689707e8987a5e7fc7bd487809c1a080
Manifestbc3c3c9818edd27b177e43c8b11805318acc7199d2c5e9d16a60503b7c260d26

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
Signature4edD1I1JAlXqjhsCsIN4+yeXWQQwwRYx2ZEoIyuiQ7+E4TDEV2XqwAhcvZ6Q29JReHg4DIzlj5Z6AstwLEM2DQ==
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

2026-09-17T11:04:31.675983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048807
observed 589b75c36d67464a52cf355effc43251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.649874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048807/manifest.json
observed bc3c3c9818edd27b177e43c8b1180531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.623732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048807/publication.md
observed 16f6e6fddded915f5829328d39967b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.594169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048807/publication.txt
observed 583b8a0c4a604800ac0354dc9a90b915...
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.