OpenTechnical

OT-2026-000014632

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014632) never changes.

Identity and time

Publication numberOT-2026-000014632 · never reused
Internal UUID01a0ae6d-d093-7c42-8e36-634412431e08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014632
StatusPUBLIC

Content hashes

Canonical text2551a7e95083728046688f77fff2ff2dddbc7f5542b763c92e39e20d34048672
Markdown124e1093c1df992458a487464281d925654ba436b2c855757c15e54ddee531e9
PDF
Publication page274463d2105573d7bdc6ffe99176a732d14f3bd71ed1a07d1bcafff1a67f07b7
Manifest5c47d78c175e1b73aec246f8a636dde18659c9c6ff7d663cea39b8941a91335c

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
SignatureZxzhy4aESjQPrZs4/VGk5X1hzpkUkqXUQIA2yad1qJUAmfc0sFc+rCri1mAUGbXEshBcXCEHsr2jY5d4NWCqBQ==
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

2026-09-17T12:06:26.984879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014632
observed 274463d2105573d7bdc6ffe99176a732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.965784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014632/manifest.json
observed 5c47d78c175e1b73aec246f8a636dde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.908557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014632/publication.md
observed 124e1093c1df992458a487464281d925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.854453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014632/publication.txt
observed 2551a7e95083728046688f77fff2ff2d...
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.