OpenTechnical

OT-2026-000087599

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000087599) never changes.

Identity and time

Publication numberOT-2026-000087599 · never reused
Internal UUID01a0ae9a-cd53-7bd7-b777-0a1b53644f7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087599
StatusPUBLIC

Content hashes

Canonical text21a63c35a1917d7bac6d60205f908550839c05c2afd4268393cc4cac972265e3
Markdownc978f44bc117123b036982d77ba45063591cff87a501aa26578acff698c593c9
PDF
Publication pagec8ca286185015dc2773ab39cb93616679817e9a3ba525dae7ccc34b85c00fc19
Manifeste9bb98f9998115611b71d19e1e75aa75d93227a5a9557aa545093ae4dfe8e3f6

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
SignaturegKGyP50qUjGH7fwOimVjvNFPII3iF6viS6Piwx7HsA6MrpBeYTUi5SyTBCP8NWSUZrIKyID9Mee7uifBmNh2Bw==
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

2026-09-17T09:51:02.244126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087599
observed c8ca286185015dc2773ab39cb9361667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.226658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087599/manifest.json
observed e9bb98f9998115611b71d19e1e75aa75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.211017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087599/publication.md
observed c978f44bc117123b036982d77ba45063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.194097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087599/publication.txt
observed 21a63c35a1917d7bac6d60205f908550...
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.