OpenTechnical

OT-2026-000091244

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000091244) never changes.

Identity and time

Publication numberOT-2026-000091244 · never reused
Internal UUID01a0ae9c-f16c-797b-9f63-85a17897e6be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091244
StatusPUBLIC

Content hashes

Canonical text76ed389584c041f38afccb214107feb711df2d192fec910f6f58d28043ffba8f
Markdownb088f000008c5ebcf8e3e83b8008135c9dd58860aef4e64b569022b1d87446fc
PDF
Publication pagea2d4d464fc32b958821a3058a2b970e887546354427a54f1da8b733dfdf752cf
Manifest85a96f01a1476bfaa88b1967a9351fcba4edd73518b16276209b6ea205797922

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
Signature8Dr/nyq3PDMuCk1V1/oKeoXUbvLr0j8Gk9xQvs1x/PqhL224rCLHLr6do2A/NHX0cixbodcPsVWK9aRgpQQaDA==
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

2026-09-17T09:43:25.148177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091244
observed a2d4d464fc32b958821a3058a2b970e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.131863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091244/manifest.json
observed 85a96f01a1476bfaa88b1967a9351fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.114098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091244/publication.md
observed b088f000008c5ebcf8e3e83b8008135c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.098582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091244/publication.txt
observed 76ed389584c041f38afccb214107feb7...
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.