OpenTechnical

OT-2026-000050358

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000050358) never changes.

Identity and time

Publication numberOT-2026-000050358 · never reused
Internal UUID01a0ae82-5c47-7c69-a96d-d4685f666942 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050358
StatusPUBLIC

Content hashes

Canonical text10d470e74c8d3ec22320072b7c15845dfd884d39d2691cb75ac27d170080c58f
Markdown2a0667a0b4f9c09bf90aec9c0a42e42c379f5620deb5b446227370911318a3f1
PDF
Publication pageb99bf926ea699b097a3a74ae58e8f79c5831be5f4d784f62268821aeca223aeb
Manifest7ef7b8789049f0b30a7c549540265512baa7e103eaacc56b3e5fb34e61c55037

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
SignatureOvmqCuLbCvr0aK7PmkDG7qfmhuZ2eXDW0WXYu8/x/PuslAmZrKx+8OMFzHG898l0wlwLgoGtKhQN/4JdB7KyCw==
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

2026-09-17T11:01:23.412165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050358
observed b99bf926ea699b097a3a74ae58e8f79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.396008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050358/manifest.json
observed 7ef7b8789049f0b30a7c549540265512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.380055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050358/publication.md
observed 2a0667a0b4f9c09bf90aec9c0a42e42c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.365111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050358/publication.txt
observed 10d470e74c8d3ec22320072b7c15845d...
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.