OpenTechnical

OT-2026-000095557

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000095557) never changes.

Identity and time

Publication numberOT-2026-000095557 · never reused
Internal UUID01a0ae9f-8f75-71e9-bfb9-f309af987dd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095557
StatusPUBLIC

Content hashes

Canonical texta4b97c233c185fe48064863a3cf24b293983430b0e767e6376d5c0922328bd15
Markdowne1e3ffe44d9947f06131b8b84e4afeb9746bff0d56cc12c7d820e7d2685f7b3d
PDF
Publication page644c55d7973e8867040780e675e6c969bc6edac25d11b3e690702cbc3a8cab76
Manifestd014058b5cdb4ac5ed3f572beb8de473548bd83b5b52b7f70be55828372bab09

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
SignatureKbrsRc1/Mi7SdCbuLUrHt5FB5Qtzl8f2gS00+df5edZzAlXfrfXaTLlTtj71H0hL1eLzS4omyRtH1ARBhxAWDw==
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

2026-09-17T09:36:58.337229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095557
observed 644c55d7973e8867040780e675e6c969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.321830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095557/manifest.json
observed d014058b5cdb4ac5ed3f572beb8de473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.307403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095557/publication.md
observed e1e3ffe44d9947f06131b8b84e4afeb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.293186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095557/publication.txt
observed a4b97c233c185fe48064863a3cf24b29...
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.