OpenTechnical

OT-2026-000012963

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000012963) never changes.

Identity and time

Publication numberOT-2026-000012963 · never reused
Internal UUID01a0ae6d-5564-73c4-be36-7fc7420832c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012963
StatusPUBLIC

Content hashes

Canonical textb02c668d29aa24ffa24e31bcc6ab2df3458813609ee7f0d9ffa18bc16bc8342c
Markdown4f1fd5c497123594db98889e9c1431bcc2a9b6a4ee80c4ec2e619d4195006ba9
PDF
Publication page2bee09d32879a7334faa99b8753daa347a4660314ae7e31ba675a1de8c27ceb4
Manifest0d7770eb7dfc08f69f94cc18040febd466445dc70c5caca5499f73510a690d26

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
SignaturePLqEI0vvlS9w48BpH0raFHvawM06Nac18CUulny69o3K2ggMcWvWIWCip1iEJ02wpmxgR8Qc/rFqPLEQwI+7AA==
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

2026-09-17T12:10:46.395932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012963
observed 2bee09d32879a7334faa99b8753daa34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.376014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012963/manifest.json
observed 0d7770eb7dfc08f69f94cc18040febd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.357786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012963/publication.md
observed 4f1fd5c497123594db98889e9c1431bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.337319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012963/publication.txt
observed b02c668d29aa24ffa24e31bcc6ab2df3...
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.