OpenTechnical

OT-2026-000065395

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000065395) never changes.

Identity and time

Publication numberOT-2026-000065395 · never reused
Internal UUID01a0ae8e-46f8-7a16-8d0a-e45a7ff841b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065395
StatusPUBLIC

Content hashes

Canonical text247c6124c454170a6b71ec3fcf4adb37c451205e31bdacf39888f73aa9ba83f7
Markdownddf4423542d0fc64c10dc304bb98b8e725e36764ab9fae19833e0d1df731941e
PDF
Publication pagea0b8152ad467ade16f25e89cefc7fb708baebf49a62bdd8b2cb85a8ee32bfd05
Manifest2984ae4e364f7f7af3d73941756ad4233c1732a8cf7325aa8f4d49bb4358231a

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
SignaturePW73HADVFCz1VaRCGa+/rLzaHvrKy9TbSGUVL3/2XOerl6jYRkM5M1qcj5JFuICZ9ni9ct+U8DpFGwNoTz7cAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:39.336162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065395
observed a0b8152ad467ade16f25e89cefc7fb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.318217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065395/manifest.json
observed 2984ae4e364f7f7af3d73941756ad423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.300310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065395/publication.md
observed ddf4423542d0fc64c10dc304bb98b8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.282843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065395/publication.txt
observed 247c6124c454170a6b71ec3fcf4adb37...
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.