OpenTechnical

OT-2026-000009250

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000009250) never changes.

Identity and time

Publication numberOT-2026-000009250 · never reused
Internal UUID01a0ae6b-31b9-7bfc-be26-3ae79f7668cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009250
StatusPUBLIC

Content hashes

Canonical texta8e308f126062f9ca15f9b6bb79e64e39ed4a89cd0c191ef0546bb429dba7f28
Markdown91e5b47d6f21cfb37a302875744c39a79a6876092d20d7a2ace4cfa8585f4f6f
PDF
Publication pagef282d76ffd8b1ec4df720337eb1df2454100f81f9872b83326c9c178cb2d7893
Manifestc6765d062cc344abefc9dead76bf13db4f809ef82a23d635d91cb7ee9fc80ff6

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
SignaturevpKJdwo6MseVkuLKtdYK/GkNLLzmso/F8eiD3P6irg9fz9yICg9jmE5+RpfbNM6x5WmlzMt4j0Yl9Mx4XYJSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:59.342049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009250
observed f282d76ffd8b1ec4df720337eb1df245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.324342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009250/manifest.json
observed c6765d062cc344abefc9dead76bf13db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.307023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009250/publication.md
observed 91e5b47d6f21cfb37a302875744c39a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.288851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009250/publication.txt
observed a8e308f126062f9ca15f9b6bb79e64e3...
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.