OpenTechnical

OT-2026-000016573

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000016573) never changes.

Identity and time

Publication numberOT-2026-000016573 · never reused
Internal UUID01a0ae6e-2d14-780e-974c-c435b35fd20b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016573
StatusPUBLIC

Content hashes

Canonical text615795e833d1d68ff74552f312d496f4c3595ae6628efbddd9a643dea140e35e
Markdown79058a6e9759ea11d90857ffbeb67c1a521c40dba175fd5064d1c1bb5e6a42e7
PDF
Publication page90d8f372fdb7d1576b2fd2f0155f69e397643694b0895ad3bf3410c912313975
Manifestb5ee3943788e5eccad70aecf598414411f083b92123558f516aeb8718523a339

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
Signatures7aGI9XltthIsPu7J97TEIfevVYcIwSXamErLHBTeXMRP8Iyr/FIP12V6NyegAbpgK9GXZllF7Cen5rs5qA8DA==
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

2026-09-17T12:04:48.289141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016573
observed 90d8f372fdb7d1576b2fd2f0155f69e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.271735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016573/manifest.json
observed b5ee3943788e5eccad70aecf59841441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.253508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016573/publication.md
observed 79058a6e9759ea11d90857ffbeb67c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.234640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016573/publication.txt
observed 615795e833d1d68ff74552f312d496f4...
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.