OpenTechnical

OT-2026-000098905

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold 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-2026-000098905) never changes.

Identity and time

Publication numberOT-2026-000098905 · never reused
Internal UUID01a0aea2-8286-79e7-9639-0e8aa8a26148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098905
StatusPUBLIC

Content hashes

Canonical text39d7410b7b798e8da5c59e62b12158ab1e100d32796a9ce5dcbb7023aef3f5ae
Markdown3793b2ef3aa594169bc137628533c5ca6dbf0a6d13698d30beabd4661dfcffc1
PDF
Publication paged24f2b17ba9af2ebe696fafaf640e5ea11b1ae4bce17b5de9debef76529248df
Manifest15ebf5a1d46d5fdf4a3296158d4f93a2619a13c92f379322e50237ee3b65bef3

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
SignatureqqgTbgYaFNiN187jQXcjs1Nsfi9cLnppx5u80QSgeHTB/Jp8ph2bLF84vJorvq/POoxKjIwKYzpq9biPpGqHCg==
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

2026-09-17T09:29:57.775535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098905
observed d24f2b17ba9af2ebe696fafaf640e5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.759669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098905/manifest.json
observed 15ebf5a1d46d5fdf4a3296158d4f93a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.742427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098905/publication.md
observed 3793b2ef3aa594169bc137628533c5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.725690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098905/publication.txt
observed 39d7410b7b798e8da5c59e62b12158ab...
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.