OpenTechnical

OT-2026-000012371

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000012371) never changes.

Identity and time

Publication numberOT-2026-000012371 · never reused
Internal UUID01a0ae6d-39f6-7297-86dd-dd1bb0cf515f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012371
StatusPUBLIC

Content hashes

Canonical textd2ed56cc6c8ab76dc9b7c5146fc46748ea4d3acaeb25c170eefc6f05a23ebb2b
Markdownf2c82da5dbd2c2c5263782f96e2867197d2ecbf278fe7e9ac04bf72e1ba100be
PDF
Publication page38719931cd88f143297b3a83c9174b48f7f35976a7c15209dee2c976a6d02388
Manifest8087f9352ba7401a05e22ad51367f92de435cd2954c855f54d8a4572d1d3000c

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
SignatureacNu95WM565EIz8pxIJNPqOQtvXdBTNFfliMN0kfgJgLG68keMv1GKmrMBELL+RJUQe4EU9qWr/WU7SntlIwAQ==
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

2026-09-17T12:11:51.420522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012371
observed 38719931cd88f143297b3a83c9174b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.401895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012371/manifest.json
observed 8087f9352ba7401a05e22ad51367f92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.383313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012371/publication.md
observed f2c82da5dbd2c2c5263782f96e286719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.364443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012371/publication.txt
observed d2ed56cc6c8ab76dc9b7c5146fc46748...
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.