OpenTechnical

OT-2026-000085212

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000085212) never changes.

Identity and time

Publication numberOT-2026-000085212 · never reused
Internal UUID01a0ae99-43ba-768c-a5ac-e8577c774357 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085212
StatusPUBLIC

Content hashes

Canonical text644828191a0058586747408843c1fcdaf197c2bf8d043b69c942a0d2313ae093
Markdownd2b3100291a2dac54f9ee5b162fddf2bca2394a9e8d2f327e01f4885362f8550
PDF
Publication pagecb947d940de20db2c096de84529f033fba0e82eed4dd394fbee824b4b340f522
Manifest5047eab9d7ae91f9760ed78a3cdb03cf432a74a2039eb23294c827652d42e765

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
Signature1/jgQwFV+sTvctvaSIvgQ2E8tbSbrBcR39aDdlOQ4X0TDdIN1E5cSh5fjOAVS8YNhIdOtqwhSHdo9be07MbeCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:18.423793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085212
observed cb947d940de20db2c096de84529f033f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.405042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085212/manifest.json
observed 5047eab9d7ae91f9760ed78a3cdb03cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.384782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085212/publication.md
observed d2b3100291a2dac54f9ee5b162fddf2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.365610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085212/publication.txt
observed 644828191a0058586747408843c1fcda...
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.