OpenTechnical

OT-2026-000003865

Publication integrity record

Bellows cup vacuum gripper, two zone face, 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-2026-000003865) never changes.

Identity and time

Publication numberOT-2026-000003865 · never reused
Internal UUID01a0a90b-4bbb-7886-b1b1-52da701d9032 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:04.925854Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003865
StatusPUBLIC

Content hashes

Canonical text941fb876eed2a9aec8e2d27effb577435ef038f480f14a4f0c74d8973337f268
Markdown8686a16f13d8c4447e8dcef2bf28221a6c8a25621a261b5f0ed4913bbcc47593
PDF
Publication pagee93e142b73857d0aed4773064816b7a2abcc8dbad6ac69706df7d8aab50e8769
Manifest71f8de0759d17f4d15899af0329d69ed249851d485f3b6ff2c24337b51036e89

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
Signatureqojbm5GvUwoZ3OYw87/9+/i1t+cYdkj2+XdpuLHr4P+nSruFf+0jIl5KC8g5dBdktBiN/Wa41YdGN2OCrzfWDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:15.710313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003865
observed e93e142b73857d0aed4773064816b7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.696777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003865/manifest.json
observed 71f8de0759d17f4d15899af0329d69ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.684130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003865/publication.md
observed 8686a16f13d8c4447e8dcef2bf28221a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.668218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003865/publication.txt
observed 941fb876eed2a9aec8e2d27effb57743...
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.