OpenTechnical

OT-2026-000080349

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000080349) never changes.

Identity and time

Publication numberOT-2026-000080349 · never reused
Internal UUID01a0ae96-7e77-76d6-ae07-53a092a99b0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080349
StatusPUBLIC

Content hashes

Canonical texta2984e66c8fccb20d62f8aad098474df540ab291d1ac150359c0e9579cf74c01
Markdowndc2770f50c52d6811b0792125f870143f4528786d85253c78ef94a9ff05965ef
PDF
Publication pagee3bb94a3fe869be248e30709473fdbd3b4383d690598b3bc3e2e870f7d3d9e13
Manifestc50f011c5d6f7a30ab7d697eefa2b3245ac0bf02dd04f92c57df2bab95356277

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
SignatureVTUCYbJbqFDWK5/E4QefMUGygcsXz4odPq1vtgsqkCDS1i3ohiC7r23jNTEIezzEMUf1BI78XR0HGOvrGVlwCw==
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

2026-09-17T10:02:49.862960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080349
observed e3bb94a3fe869be248e30709473fdbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.844234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080349/manifest.json
observed c50f011c5d6f7a30ab7d697eefa2b324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.824808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080349/publication.md
observed dc2770f50c52d6811b0792125f870143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.805237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080349/publication.txt
observed a2984e66c8fccb20d62f8aad098474df...
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.