OpenTechnical

OT-2026-000025956

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000025956) never changes.

Identity and time

Publication numberOT-2026-000025956 · never reused
Internal UUID01a0ae71-a83f-7611-a387-91b320cfd619 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025956
StatusPUBLIC

Content hashes

Canonical texta7cd1f00cbe1852f3a00f5710840d7b1215c08169809abb56ad4ecf9a21f8233
Markdown16bf843b072e6852053a5021d5a36431bff68413ac4dc20cc5153d797f515706
PDF
Publication page08a2255ac07de381fc992cfb911f653df4f0a0d9f210af5fde05e65d0e7f9307
Manifest6a5a00284ff6185779c029fff7e1ef2dd1e0d8320e1858fa85b09962febd1968

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
SignaturekvMwmfEDN6QkPrW2fCHghgyrQ61doBuQB3BCWfd3VNlxMqZrQeTZkFLLlUFe9MO0KAAUP7f1BFnNe8vaitr7BQ==
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

2026-09-17T11:46:19.469012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025956
observed 08a2255ac07de381fc992cfb911f653d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.446711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025956/manifest.json
observed 6a5a00284ff6185779c029fff7e1ef2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.426975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025956/publication.md
observed 16bf843b072e6852053a5021d5a36431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.409787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025956/publication.txt
observed a7cd1f00cbe1852f3a00f5710840d7b1...
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.