OpenTechnical

OT-2026-000012598

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000012598) never changes.

Identity and time

Publication numberOT-2026-000012598 · never reused
Internal UUID01a0ae6d-39f8-7365-bfc8-4f81fed7236e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012598
StatusPUBLIC

Content hashes

Canonical text6944da4154922a0f42412692a480397d5a4ee5dfaa8b0a13be036fe812f5124b
Markdownbb5e643d4512bbd385adbc7b2df30cfaba04dfa4c0d73f5d2bc2ae0ffac92c45
PDF
Publication page9a4a67e9089591a56041fd4f3bc28f60f318fc277927f4c375171058cf10f0c8
Manifestb6483a1594bd869e6857e09916bfd0793eae92655f3fad976ce2d2a26795c39c

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
Signature4578yO7GhBMlKyAE6uhEYb2xtRp+fFiP3mU2pV/Q6fo73nJIV8/+hKhDYHM+0vDZNt/d92tZKQQ5e1EdfTLiDQ==
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

2026-09-17T12:12:09.421707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012598
observed 9a4a67e9089591a56041fd4f3bc28f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.404280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012598/manifest.json
observed b6483a1594bd869e6857e09916bfd079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.386492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012598/publication.md
observed bb5e643d4512bbd385adbc7b2df30cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.367183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012598/publication.txt
observed 6944da4154922a0f42412692a480397d...
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.