OpenTechnical

OT-2026-000022097

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022097) never changes.

Identity and time

Publication numberOT-2026-000022097 · never reused
Internal UUID01a0ae6f-bb5c-7c73-91ab-5cea240a4b6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022097
StatusPUBLIC

Content hashes

Canonical text85b4fc690d01e19cf4e166b8c8bce62ba4d2612e56ec9bf2d5e4e8806da01b2c
Markdown3ff258feec99b59060c1f702df7cf30a8d5c49b103f346ff7e7cd8407413e8a6
PDF
Publication page724f2dd814bc25c52e0d339873b34b03358490433c822bfd4914bbf622a62e50
Manifest5e771a2ab9d448213c8beb3a9936409e50f26b3d8e08b12eaf0745c6b419b392

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
SignaturedrFmy3lkXnn/g+YMq2cdcFmrutQLRF9lVQKLDQD8IIjL/PB6C3UabYfmN0HT7BB/CdiKDkYc8m6VUy6rMOTVBQ==
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

2026-09-17T11:54:47.763226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022097
observed 724f2dd814bc25c52e0d339873b34b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.746208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022097/manifest.json
observed 5e771a2ab9d448213c8beb3a9936409e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.727300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022097/publication.md
observed 3ff258feec99b59060c1f702df7cf30a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.706279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022097/publication.txt
observed 85b4fc690d01e19cf4e166b8c8bce62b...
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.