OpenTechnical

OT-2026-000014787

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000014787) never changes.

Identity and time

Publication numberOT-2026-000014787 · never reused
Internal UUID01a0ae6d-d094-7c34-82db-ae554b3847ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014787
StatusPUBLIC

Content hashes

Canonical text72314061e04b67ae0fec61f994bb8d8cbca1131d56b35bf94076bc05df3dd9e6
Markdownfaa491570f94562ae796a3622a42734b017a44b1469b14a26c2b9b7424407a40
PDF
Publication page1e11ea5b1dfb9aa3b8673d6e87cc6f6ef23ba32df70461d410a7872ef5ac63ec
Manifestbaacffc51e93635f944f69c766c477bed03f053f9fcd42f22a5af9b01d36de34

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
SignaturejklbQUoRMznJvje2876JYk7gFhOffk2pFCa6CBE0LSZx8b1L87eMh3OrHHbHcWiDlB3pc5rjJbdMUKeT/ZViAQ==
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

2026-09-17T12:06:40.771596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014787
observed 1e11ea5b1dfb9aa3b8673d6e87cc6f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.754089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014787/manifest.json
observed baacffc51e93635f944f69c766c477be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.736291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014787/publication.md
observed faa491570f94562ae796a3622a42734b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.718132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014787/publication.txt
observed 72314061e04b67ae0fec61f994bb8d8c...
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.