OpenTechnical

OT-2026-000084915

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000084915) never changes.

Identity and time

Publication numberOT-2026-000084915 · never reused
Internal UUID01a0ae99-43b6-7b9e-afce-c5e72403bf2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084915
StatusPUBLIC

Content hashes

Canonical textc6bcea01ca56ff0142507790b176f2c541f688d1896b248c21773cfa8bf34c1a
Markdownedc1e9b7a6e5c6354335a7a9214cc9754c0f04d616de9835d87bc82c8aa6c6a4
PDF
Publication page9da4dd51147646e694d151526ba22cdc1052a33ce9d2e32ab7c069712c7ad42d
Manifestd039105f30b2d7d8349d136133bcb2749da97475da144ff85b872a6662146d22

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
SignatureRB17zsIXqUWaVnFKU31wQELbObkUeUd9oOPv5EFEq8nhOlWo0poFx45ZnCs+Q53midupvQus9Ez6LxBhH8i0DQ==
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

2026-09-17T09:54:53.891223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084915
observed 9da4dd51147646e694d151526ba22cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:53.872531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084915/manifest.json
observed d039105f30b2d7d8349d136133bcb274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:53.856078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084915/publication.md
observed edc1e9b7a6e5c6354335a7a9214cc975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:53.838295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084915/publication.txt
observed c6bcea01ca56ff0142507790b176f2c5...
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.