OpenTechnical

OT-2026-000095227

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000095227) never changes.

Identity and time

Publication numberOT-2026-000095227 · never reused
Internal UUID01a0ae9f-8f70-7ca6-bc8d-178f7406c197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095227
StatusPUBLIC

Content hashes

Canonical text4a74d3c4bf83f0a8ffaafba512c05c1c14d27f4dc9cfa825152b5f406c9890d6
Markdown83cdb7b05f3b8aa8a5676c177a50a118d1c83c1e2ec4479976359c16cda249d6
PDF
Publication page7c1c9876cab1482cfdf32090763017049a5262ed6a5d0be3c306c77cfede9350
Manifestd60c8456c7cd6851a4b78f3a4135fb579e8d80432ca8c2be197c1371df8982e6

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
Signature7fY2hMIdaoSi031QaBcmfP9JB86KzKogZdVz3T9b/o9+SFOq6J96nAeMeiAlM4dgk8C6dYOPnwzfZIaJAto3DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:32.990920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095227
observed 7c1c9876cab1482cfdf3209076301704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.971720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095227/manifest.json
observed d60c8456c7cd6851a4b78f3a4135fb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.953837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095227/publication.md
observed 83cdb7b05f3b8aa8a5676c177a50a118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.937000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095227/publication.txt
observed 4a74d3c4bf83f0a8ffaafba512c05c1c...
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.