OpenTechnical

OT-2026-000045461

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045461) never changes.

Identity and time

Publication numberOT-2026-000045461 · never reused
Internal UUID01a0ae7c-f76d-76a9-a229-a78a04bf592d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045461
StatusPUBLIC

Content hashes

Canonical text62545c6220d33017941b072d1a38643ce7abee8ef1fcc78f279c1403dd490042
Markdownf07ebe71a8d08b3fba1f499647fca011cc86fb73cc52b2d9433814448bcf4769
PDF
Publication page90e5eedd53d6f1b3ee635cfa3b97fb1b337cc8dfbb58772de27912f99ed5958d
Manifesta475b0d7ed820ab3768f19998bb0fe36d8a0089429cb75c2ce01ace2b6d71873

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
Signature0V8Fv40vIIdF6nohVB4vNK6YmqVYOv6BVkTnGAoHRUux2btFLIYI5cFgL86BLGLgZCc1gPjkd1H0JWkN7d83DQ==
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

2026-09-17T11:10:46.067022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045461
observed 90e5eedd53d6f1b3ee635cfa3b97fb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.046371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045461/manifest.json
observed a475b0d7ed820ab3768f19998bb0fe36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.024633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045461/publication.md
observed f07ebe71a8d08b3fba1f499647fca011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:46.004006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045461/publication.txt
observed 62545c6220d33017941b072d1a38643c...
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.