OpenTechnical

OT-2026-000011568

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000011568) never changes.

Identity and time

Publication numberOT-2026-000011568 · never reused
Internal UUID01a0ae6c-8900-706c-9c33-718790f061f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011568
StatusPUBLIC

Content hashes

Canonical text9d77e61a610627af6c941b13900c00efa5f5649e70730d125b9b2abfd7b2d21f
Markdown8511bb29b4adf4cb983aa7897e4dfb8285080d86bf51ad5b49b1f24c180def3e
PDF
Publication page9a8fb618484f6326640a976d14ec0939a1636290d5173574ec3b6e46c6186367
Manifestc7117bd5d1c7681535c2b6b3bf27463f86aefd60ab9a1544db7a9af29e56009a

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
SignatureeRik526D0yGoxm42hkMbzfqRQXNYFZZ4nDbZqmGBLeT/jJEeVFFWlyjgjo7ltqaPYVjC56bcnetebhA4m5ipCw==
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

2026-09-17T12:13:28.027580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011568
observed 9a8fb618484f6326640a976d14ec0939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.009394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011568/manifest.json
observed c7117bd5d1c7681535c2b6b3bf27463f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.991281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011568/publication.md
observed 8511bb29b4adf4cb983aa7897e4dfb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.973918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011568/publication.txt
observed 9d77e61a610627af6c941b13900c00ef...
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.