OpenTechnical

OT-2026-000040840

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000040840) never changes.

Identity and time

Publication numberOT-2026-000040840 · never reused
Internal UUID01a0ae79-6d10-7c8f-8d42-38915badbfcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040840
StatusPUBLIC

Content hashes

Canonical text8c90aa040f1a4e6e595fb98438ca46c7f3956417c08adfd78a5adc16aabc7a49
Markdown750df9d579b10f3a3df3bd3740566e5ada83cd90920e596a19b1f1c11bc00ff5
PDF
Publication pagee8e5fa2cf7f2c42bf0c11596f5174599aa500e13d41c25ef2732df5cd5b452fb
Manifeste4e0fd0d97cddde7aa7f2ee8848d8969bcb71d18edd91b5f6a9c49d2b650ed73

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
Signature9/t0q7xsE94qVm6zFzW7S1SnR2lp0Y5hYt4eNPDFzcQ9o+O1Bgh1bHiPWc+XZ/+AYkTJY9/tt+bCV16dZ9xPBQ==
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

2026-09-17T11:20:11.332963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040840
observed e8e5fa2cf7f2c42bf0c11596f5174599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.311568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040840/manifest.json
observed e4e0fd0d97cddde7aa7f2ee8848d8969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.294085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040840/publication.md
observed 750df9d579b10f3a3df3bd3740566e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.276413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040840/publication.txt
observed 8c90aa040f1a4e6e595fb98438ca46c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.315648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040840
observed e8e5fa2cf7f2c42bf0c11596f5174599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.298825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040840/manifest.json
observed e4e0fd0d97cddde7aa7f2ee8848d8969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.279275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040840/publication.md
observed 750df9d579b10f3a3df3bd3740566e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.262120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040840/publication.txt
observed 8c90aa040f1a4e6e595fb98438ca46c7...
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.