OpenTechnical

OT-2026-000032602

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000032602) never changes.

Identity and time

Publication numberOT-2026-000032602 · never reused
Internal UUID01a0ae75-1070-7902-a599-4206b7261638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032602
StatusPUBLIC

Content hashes

Canonical text67d1bc7364686a03246578ce9bff1f2beeaa4c6bcd57dba6564fec3cb06d3892
Markdownfe2c23b94355bd8cc7223ebb4395eab18b88e6f35c6cf20cad65c1fec493e022
PDF
Publication page1ead2082f33acc1c14a6d8ba8b4bf6b3b0efce533cf300ed468b6cc63f0d9cc6
Manifestb8c8b6f3b9eedbbb8d6462e3b7c10fc2a4657a15ce4df2d0979723b1b944c4d5

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
SignatureO2OicBPhuL6G1PpZ1keUjIJkE2QrpDmUa8K65STK/ko7AZgUzTfrPZIoGow3scMdKUUl7RmjXvZA5MKcNhq3Dg==
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

2026-09-17T11:34:11.026612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032602
observed 1ead2082f33acc1c14a6d8ba8b4bf6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.998471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032602/manifest.json
observed b8c8b6f3b9eedbbb8d6462e3b7c10fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.974039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032602/publication.md
observed fe2c23b94355bd8cc7223ebb4395eab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.947759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032602/publication.txt
observed 67d1bc7364686a03246578ce9bff1f2b...
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.