OpenTechnical

OT-2026-000029897

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000029897) never changes.

Identity and time

Publication numberOT-2026-000029897 · never reused
Internal UUID01a0ae73-ac48-71fc-b31d-bd44209f1b2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029897
StatusPUBLIC

Content hashes

Canonical textaaddefb6e4ac4298191850816f2c44851683d82b7963fa9db843686e127a55c4
Markdown67c333d36cfb55fa7c3f1bfc4327adecced4716150f1d1c36eb6c7bfaedb4d7d
PDF
Publication pagece7f024190575f046a96898660448849c6111116a4a9b7ff37ab7edae004766c
Manifestf669e672295947f73fa31c6a3adc90695ee652665754a4f4260e47587c58827d

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
SignatureoUGiE6ZA8eXdsx4F94j/yPYLf1oSC85nAdTYnzEMTjtjHBH8WVvrp5MhygGXYJnre1Y9harvJahA7zzfu4lXBA==
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

2026-09-17T11:38:35.862810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029897
observed ce7f024190575f046a96898660448849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.846209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029897/manifest.json
observed f669e672295947f73fa31c6a3adc9069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.829160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029897/publication.md
observed 67c333d36cfb55fa7c3f1bfc4327adec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.811406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029897/publication.txt
observed aaddefb6e4ac4298191850816f2c4485...
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.