OpenTechnical

OT-2026-000005437

Publication integrity record

Bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, contact triggered

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-2026-000005437) never changes.

Identity and time

Publication numberOT-2026-000005437 · never reused
Internal UUID01a0a938-fcdc-77a3-905f-83d8203fee3e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:59.391364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005437
StatusPUBLIC

Content hashes

Canonical textcc47287cc3fbc003f644c721d36dbf52cdb2ca3a2d86a9410083965932613375
Markdowne01be054cf4d43c5a2dcb668009fdbfc7a170ad83cfc16da2cdb54dfae1e8095
PDF
Publication pageac1b590b49e01ed64829e3b183b13adaa902c7a0f4b6e75178a8e60682c73347
Manifest33ad5066014241397608dcd95413660d0857a6115fd85b3d32a6e3e0ae0e54e6

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
SignatureMOUY2/Lm7EcgNG+WDHNwIx0b3Qyk0G1tlPMIHu/oul+ETaNWb44/eghOWvFRA3IMJYPG6cKAQu18aMToTHkDDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:09.644032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005437
observed ac1b590b49e01ed64829e3b183b13ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:09.630228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005437/manifest.json
observed 33ad5066014241397608dcd95413660d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:09.499513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005437/publication.md
observed e01be054cf4d43c5a2dcb668009fdbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:09.483400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005437/publication.txt
observed cc47287cc3fbc003f644c721d36dbf52...
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.