OpenTechnical

OT-2026-000013459

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000013459) never changes.

Identity and time

Publication numberOT-2026-000013459 · never reused
Internal UUID01a0ae6d-6fca-7caa-bfe2-6e5f0df63ce1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013459
StatusPUBLIC

Content hashes

Canonical textb52e5496c11dfbc5449aadd4cb8332ad57f51c79ffcdf0bf3fcc3d4bd9dc14a3
Markdowne1fbed2ac7172927846fac87e4fd962939862b2e817bb302f1465193d2b6bb43
PDF
Publication pagedb0aeaaa8990af3a85c107eb0efe5ce0bff52392d9f7395871339e8912413a1f
Manifeste798642ffdc5bee219607895da0cfaf111b0d641de86c7e3ef9a74be3de51504

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+vYMd658Ry1vyxz8F0byyoqZ2AgYh0f4u2VCGD6sbwn6Nrv00F3lUay85YI1IrLclqg5hru4ntb6elY9FwNqCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:09:57.293638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013459
observed db0aeaaa8990af3a85c107eb0efe5ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.271448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013459/manifest.json
observed e798642ffdc5bee219607895da0cfaf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.251147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013459/publication.md
observed e1fbed2ac7172927846fac87e4fd9629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.229265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013459/publication.txt
observed b52e5496c11dfbc5449aadd4cb8332ad...
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.