OpenTechnical

OT-2026-000011853

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000011853) never changes.

Identity and time

Publication numberOT-2026-000011853 · never reused
Internal UUID01a0ae6d-1941-7a57-92c2-38b33f0fa549 · 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-2026-000011853
StatusPUBLIC

Content hashes

Canonical textf4c65f87fd59471ade60e2dcfed4f4815b3b58958d6b504125e8ea7f99484d8f
Markdown109d4e65a15fb1b811d358fc7307ca06aff99b51c5911b2115bac889ae21b1f6
PDF
Publication page5f02b8f55bba2286504d0e44fd86337e7e71d877c683c5ace6a3e348ac18df41
Manifest30ad1986c1032b4ab55ef9ce6a668e366173e35b3b599237b82b5ce5bb6b2177

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
Signature4iyrdb+EwM4e+FzLWEJOeXsMjYO3B7Onlxu0OcglA2I7tz8mR6oc79nY0MUR0LjyshWxYme+XFMbyQ2tiPyABw==
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

2026-09-17T12:12:35.743193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011853
observed 5f02b8f55bba2286504d0e44fd86337e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.725043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011853/manifest.json
observed 30ad1986c1032b4ab55ef9ce6a668e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.707142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011853/publication.md
observed 109d4e65a15fb1b811d358fc7307ca06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.687350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011853/publication.txt
observed f4c65f87fd59471ade60e2dcfed4f481...
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.