OpenTechnical

OT-2026-000102552

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102552) never changes.

Identity and time

Publication numberOT-2026-000102552 · never reused
Internal UUID01a0aea4-858a-7d63-821a-c7e76ea644b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102552
StatusPUBLIC

Content hashes

Canonical textb48eaefc46902015dd200540fa42f22ff84e5cac2d11e9307750480167d4f69d
Markdown60ec9f4c08cedadea8843251bc7e6759469aeaac11d692e85ce303e434e18505
PDF
Publication pagead1dba35adf44abca97b8739dfeedbfc313cad4b45990e9d94a228ce157711e7
Manifest5ff8f8275b2f8c9fe88711210ee04a8fa6f005ed58f193f309860ae3b23bfa4f

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
SignatureeXZVz1sppftD1WcrjTRW/XcRadEJSbolu1ddrUmSsohrIoeDj241kK5+Sy0hdTBsoW60Sz1ngq4E+fLMUKIBDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:01.848427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102552
observed ad1dba35adf44abca97b8739dfeedbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.831882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102552/manifest.json
observed 5ff8f8275b2f8c9fe88711210ee04a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.814032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102552/publication.md
observed 60ec9f4c08cedadea8843251bc7e6759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.794550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102552/publication.txt
observed b48eaefc46902015dd200540fa42f22f...
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.