OpenTechnical

OT-2026-000048831

Publication integrity record

Foam pad 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-2026-000048831) never changes.

Identity and time

Publication numberOT-2026-000048831 · never reused
Internal UUID01a0ae80-c32d-72b6-ad13-86291f1c08e4 · 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-2026-000048831
StatusPUBLIC

Content hashes

Canonical text303e425d19bd8d16f0a1bac007e98c975b299f608fd51e0c664c3c9ede346a93
Markdown9e9a1df8e51f19de20564f969056dc8e61a0e48da292c03c71a0d41b78818034
PDF
Publication pageb8ac7d9228054df1a7ea55cc39887214861caa6f7384c15978342091a3a2f000
Manifest68b620cc68675f785d0321c88f3fdc2f6d16dde1df41e7dd00a9dd7721a0abb3

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
SignatureirP/2LQZD/zJMbU7+ymzv7pMKTFmVAS49IY2Q6VVxMmwBylvJa96lCKmJM9ml6XPWoGZcnqoo/3Qo5nAFmcfBQ==
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

2026-09-17T11:04:34.042608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048831
observed b8ac7d9228054df1a7ea55cc39887214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.999162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048831/manifest.json
observed 68b620cc68675f785d0321c88f3fdc2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.980414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048831/publication.md
observed 9e9a1df8e51f19de20564f969056dc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.959967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048831/publication.txt
observed 303e425d19bd8d16f0a1bac007e98c97...
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.