OpenTechnical

OT-2026-000053615

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000053615) never changes.

Identity and time

Publication numberOT-2026-000053615 · never reused
Internal UUID01a0ae85-0a95-7613-8355-18a608ad0283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053615
StatusPUBLIC

Content hashes

Canonical text8136bc2fa8db21498ceb78e9bc972c52b1fc2aa2b9d5fce2f522880837793516
Markdown2229072499bcf2aeb463d699c58c472a9c7f3dc65fc31104b15f36bbe87252b7
PDF
Publication page2ab011f541c7ac358cd3d9d2ed2f0f34d4acbd8a3711dff1afc4312431492547
Manifest7ee8627cb857e2022dc99c374e074d8f8d06dcdc9be8841daac07b7d3c4c304a

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
Signature7+czqEe4rIqTxZ6j2XillzSAF7lKy+d6fuDo5USNSmhwJMVkofjVdw9sG5iuXvylP/N/D7PJsXhHIQOB+SN7Ag==
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

2026-09-17T10:55:29.529371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053615
observed 2ab011f541c7ac358cd3d9d2ed2f0f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.511254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053615/manifest.json
observed 7ee8627cb857e2022dc99c374e074d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.493631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053615/publication.md
observed 2229072499bcf2aeb463d699c58c472a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.474376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053615/publication.txt
observed 8136bc2fa8db21498ceb78e9bc972c52...
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.