OpenTechnical

OT-2026-000054580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000054580) never changes.

Identity and time

Publication numberOT-2026-000054580 · never reused
Internal UUID01a0ae86-1283-728c-bf70-11f6090113a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054580
StatusPUBLIC

Content hashes

Canonical text42d04412e1ed7f5404ea91f6f958eff8f7bb5e6ea9971a47176f15fb8be820cb
Markdown94ef242775b624952f45c720186838f6f627db8f3c77d04d6fe3638328981df2
PDF
Publication pagecdec88c0188384a317f2044b9959f0012f81e05ce2c52667a452969a710e6cd6
Manifestbf0563d7d65a7c8032778fe6d510df760c9083ad8af5101f17af6a74fb4eb6df

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
Signature/wHUf3sZcpqXxD0pZhCASMV60jU+/Fw08XzDAXz+ENBozNyyYtVrpfSKoOfJr1JxxcRE7xaKzoiplPEW8kj3AA==
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

2026-09-17T10:53:37.766841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054580
observed cdec88c0188384a317f2044b9959f001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.746045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054580/manifest.json
observed bf0563d7d65a7c8032778fe6d510df76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.725529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054580/publication.md
observed 94ef242775b624952f45c720186838f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.703602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054580/publication.txt
observed 42d04412e1ed7f5404ea91f6f958eff8...
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.