OpenTechnical

OT-2026-000080433

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000080433) never changes.

Identity and time

Publication numberOT-2026-000080433 · never reused
Internal UUID01a0ae96-7e78-7aa7-8a2a-f44b0daf1405 · 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-2026-000080433
StatusPUBLIC

Content hashes

Canonical texta633f4c76126483cf812df62f3de64710648c1b67a4b8344ba6af59cc687281f
Markdown87eab29efdfcea73dbc283c47f64cb69399a8d022172be0f110628dad3a1c0e3
PDF
Publication pageb07f75826095ae6552bfb392ff18ae1f8710973a08d304a1a753c2b271ba7e9b
Manifest5f08547af4f35890289eba76969db36e19047375271351a6801d103fe1bfacf7

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
SignatureUQOhTMCksx+j6kX5MdwT6Mf0IDtfvi7Qq2my/Vfh+C8TNUA79s7/6qMS/fE+DMRYKcBCEiGK0+qiCcS7ryyiDQ==
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

2026-09-17T10:02:56.664409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080433
observed b07f75826095ae6552bfb392ff18ae1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.646878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080433/manifest.json
observed 5f08547af4f35890289eba76969db36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.627096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080433/publication.md
observed 87eab29efdfcea73dbc283c47f64cb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.607302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080433/publication.txt
observed a633f4c76126483cf812df62f3de6471...
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.