OpenTechnical

OT-2026-000045993

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000045993) never changes.

Identity and time

Publication numberOT-2026-000045993 · never reused
Internal UUID01a0ae7d-8f89-7b14-91ae-06dac025e52c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045993
StatusPUBLIC

Content hashes

Canonical text4228ef11beebfb54810eab4302ccd2b6b3bca79dc9254792bc8bd756934bb71a
Markdown96cf9b12c4860111575ac4e7ba8a078b5c41e274b3fa6dfd23334ecdcd3558fd
PDF
Publication page37099c90125a8e0e8131d18827deace757908b47e7f67a3ce1f3dfd57c451429
Manifest4b0ef1bccc4f8219a40332308d1e6ac6df27f03130c84aeef4cdcee75dd2578e

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
SignaturetyiaFgqmIvvtoj9RWXtHe0dSNtUeYx5EFjQFqsY0Ib7gB9x2mC0w4/neIlp1D8M5xMoK0N5Ru9rL4vxmDR4jDg==
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

2026-09-17T11:09:59.518467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045993
observed 37099c90125a8e0e8131d18827deace7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.499925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045993/manifest.json
observed 4b0ef1bccc4f8219a40332308d1e6ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.478539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045993/publication.md
observed 96cf9b12c4860111575ac4e7ba8a078b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:59.458568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045993/publication.txt
observed 4228ef11beebfb54810eab4302ccd2b6...
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.