OpenTechnical

OT-2026-000013262

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000013262) never changes.

Identity and time

Publication numberOT-2026-000013262 · never reused
Internal UUID01a0ae6d-6fc9-70f7-8218-825e27b2f723 · 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-2026-000013262
StatusPUBLIC

Content hashes

Canonical textff1b0443ddac2729592f958aaff58912062d649e4e337102afd57405e31a1a6a
Markdown172a2299c93ad4a1264cb35d4bf30ff1e93fe95f6be39ab4993d1c07e676470c
PDF
Publication pagea09c91b5ae8d466481bc18d3c910cb5da254166c8cc85ffb8d74ccbcf2abbdf0
Manifestd3f8997dffbca927f46379fa89ec1beafcd2c983c6d6a204a71d403310b4b49f

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
Signaturejkr4KUAiPszZ9HoNtFFN77nn95wrfBTgGu23WyhCZHB9B0oSp/V7cviQGyirkMVlNXpeu+hNIfqTzcyxlj9AAQ==
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

2026-09-17T12:09:40.275770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013262
observed a09c91b5ae8d466481bc18d3c910cb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.257909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013262/manifest.json
observed d3f8997dffbca927f46379fa89ec1bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.238317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013262/publication.md
observed 172a2299c93ad4a1264cb35d4bf30ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.218999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013262/publication.txt
observed ff1b0443ddac2729592f958aaff58912...
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.