OpenTechnical

OT-2026-000054688

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000054688) never changes.

Identity and time

Publication numberOT-2026-000054688 · never reused
Internal UUID01a0ae86-1284-7a65-bcdd-d46f773319bb · 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-2026-000054688
StatusPUBLIC

Content hashes

Canonical text9e6e15db3b755f62a90cdc21d10689341cbc492ab07f6934b78e90f7bf0f4c84
Markdown84fa38dcca721cc71dd878edf6de9fdb52d90812a472412555fa869a373cd310
PDF
Publication page8a783d0491e672400c1d59b59ffe039c9e70130140ed0db22d2dace995a9c8e3
Manifestb3bec62aba9b35e17aa0d917e12cbec73ef0d71c0b9119f767741b9ade3c8ce1

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
SignaturewwJPt6menkypYxW5jl9+6Xqn8dQ/kYs6DN1tuooVoE5LE/GRg5iaVuraMbk7l/wh3o7qadwP5uZm2kjMaHAnAQ==
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

2026-09-17T10:53:46.367209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054688
observed 8a783d0491e672400c1d59b59ffe039c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.348505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054688/manifest.json
observed b3bec62aba9b35e17aa0d917e12cbec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.328756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054688/publication.md
observed 84fa38dcca721cc71dd878edf6de9fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.310354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054688/publication.txt
observed 9e6e15db3b755f62a90cdc21d1068934...
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.