OpenTechnical

OT-2026-000022402

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000022402) never changes.

Identity and time

Publication numberOT-2026-000022402 · never reused
Internal UUID01a0ae6f-f4fd-77a5-9f5d-2d1cbca22ae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022402
StatusPUBLIC

Content hashes

Canonical text41bbfc2a9e10191a7db25997c68f810792fdc636a30771cd5c3d69bed165248a
Markdown0ea30671aea8019636911405091b67ee9c4eae20e4f2cf53b752447b191a823e
PDF
Publication page2d1b90f3bce22741f485fffd58dcf7c48633ed4b8f42addbe079d57e105d5b41
Manifest8bbc6f9cb71d64aa52263dd11d14191afca5e0cf5a4c210f3179cb43d869fb18

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
Signature5gWR5ZVInu/7tYIn9X7VAz9psOHSYH7DyYm9bsxKtHYwI0zEFVbPajWU9coafI+mw1/IACtxDdDvJ5DkGPYfCA==
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

2026-09-17T11:53:47.128375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022402
observed 2d1b90f3bce22741f485fffd58dcf7c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.110160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022402/manifest.json
observed 8bbc6f9cb71d64aa52263dd11d14191a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.093404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022402/publication.md
observed 0ea30671aea8019636911405091b67ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.075121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022402/publication.txt
observed 41bbfc2a9e10191a7db25997c68f8107...
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.