OpenTechnical

OT-2026-000011938

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000011938) never changes.

Identity and time

Publication numberOT-2026-000011938 · never reused
Internal UUID01a0ae6d-1942-7606-9b1a-352f083ff6c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011938
StatusPUBLIC

Content hashes

Canonical text07a5791efbd5defcf0cf3ab1e90c5e5739b412a79b34eaca8bcc0a342376e57e
Markdownd7eb9e36c40367208da2810283817d1fbeeea267dbb4076f262e66c1f52168d8
PDF
Publication pagea7441ea0cd4c5c7046e67ba3a418cb84cb29834e0b6f941dcd0d02657fdfb501
Manifest24da96429c51cef9edd1682e4723ee47bd167c6d0fb1b4d607817c192e343ac3

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
SignatureVED3lB/CPx03FGJZN0sUiAjcqok1wg0Bssq8ncmVMxfPWhlBeGZ0ffrOKF1iAPT6PW/2dixWhB4z1CdCGYMMAQ==
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

2026-09-17T12:12:46.748570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011938
observed a7441ea0cd4c5c7046e67ba3a418cb84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:46.712762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011938/manifest.json
observed 24da96429c51cef9edd1682e4723ee47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.572339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011938/publication.md
observed d7eb9e36c40367208da2810283817d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.554204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011938/publication.txt
observed 07a5791efbd5defcf0cf3ab1e90c5e57...
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.