OpenTechnical

OT-2026-000033255

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000033255) never changes.

Identity and time

Publication numberOT-2026-000033255 · never reused
Internal UUID01a0ae75-4845-77c0-85ae-36a8e5dfb07b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033255
StatusPUBLIC

Content hashes

Canonical text848a0c181a3d18c6763b9c1fb3c535ca7cf9ff30e29a34fe26535c1ca0c6c4bb
Markdowna2c5e6965efd74a7b7999beac58990d95255b7167d1124ed9e708f8b5d205467
PDF
Publication page7c4d1629c1eee97b7e7f879876ca1641ee7cd56e5efa1abeb19f0716b9da25d0
Manifest040ccb875db582a44732e1fa2a1949f580fa2f6b879220b64c1062937e32965a

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
SignatureK7MdYk6fIsNxZKAaJOic3jSI353Ae+HzBAM/gO23z32kJKmoH40axR0qkSU5T7y6yvvMWqwAjUq/eqbzaykYAQ==
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

2026-09-17T11:32:58.056571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033255
observed 7c4d1629c1eee97b7e7f879876ca1641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.037542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033255/manifest.json
observed 040ccb875db582a44732e1fa2a1949f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:58.013108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033255/publication.md
observed a2c5e6965efd74a7b7999beac58990d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.990389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033255/publication.txt
observed 848a0c181a3d18c6763b9c1fb3c535ca...
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.