OpenTechnical

OT-2026-000056227

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000056227) never changes.

Identity and time

Publication numberOT-2026-000056227 · never reused
Internal UUID01a0ae87-4bd1-75cb-abb2-b81f44a64555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056227
StatusPUBLIC

Content hashes

Canonical text3e939bf201febd13018936687ff0ae93620cf5aa97a83e6c5dc36840a7d20654
Markdown42ba9fe810285756e4dce0a58c238f09a17fe586ec34ef6778481a23c1254e69
PDF
Publication page81c684ef28cce54c78ba00c8b361969cd7f54bce0cd0d0dbb51c247a8876e54b
Manifestb34896bc27e8fe1bc394af66b8929d678812625c64055fc5017beb35a4e131f6

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
Signaturepf67PlTpHHJuoMvJ0uQRFaOJnmCHfKoAmUe2+yrAfQE0Il0CzngpNenVkhdVAQhknol88LVXNfOdBOQZgE2pBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:42.291368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056227
observed 81c684ef28cce54c78ba00c8b361969c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.272179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056227/manifest.json
observed b34896bc27e8fe1bc394af66b8929d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.253712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056227/publication.md
observed 42ba9fe810285756e4dce0a58c238f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.235078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056227/publication.txt
observed 3e939bf201febd13018936687ff0ae93...
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.