OpenTechnical

OT-2026-000008289

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000008289) never changes.

Identity and time

Publication numberOT-2026-000008289 · never reused
Internal UUID01a0ae6a-908e-76fe-864a-3566558b7d02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008289
StatusPUBLIC

Content hashes

Canonical textd732c0211331b3ab079fcc13b07844eb63a4e563db10cf4f578418852fb7bce8
Markdown6b54932c2190b7906969bde53ea0b36e7d6a28214baa7327e073f25d5c28e756
PDF
Publication page8d56cfe67aabfcca2d89ad61f55cfaba1db3782de11688993816445ced0ac365
Manifest4eb3b9d4535cc420db7c979a79b4e55f2d3b8cb7f47ca2aa0b95fae9695a1d7c

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
SignatureRNW6VrBoHS+4mHzhmWAs7Fa8JRbKQ7QhNThUgEtEZh72a9Ewx2oL/LhQdMWTsUiSC0+3N06gojH/qDWWl2KgCw==
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

2026-09-17T12:20:44.029977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008289
observed 8d56cfe67aabfcca2d89ad61f55cfaba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.012220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008289/manifest.json
observed 4eb3b9d4535cc420db7c979a79b4e55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.996235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008289/publication.md
observed 6b54932c2190b7906969bde53ea0b36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.979737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008289/publication.txt
observed d732c0211331b3ab079fcc13b07844eb...
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.