OpenTechnical

OT-2026-000078604

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000078604) never changes.

Identity and time

Publication numberOT-2026-000078604 · never reused
Internal UUID01a0ae95-7c29-739f-b123-450ce3d2fe22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078604
StatusPUBLIC

Content hashes

Canonical text668ecbecee4c27b85c0f8bbccebd7fe1deacf592ef3cc84872398c4e70edb5b7
Markdowna6bcf08868ff05e037c7c98692809170bb54d1fb174cb3e645fd0852b771b4c5
PDF
Publication page8e2cc6ab73e93cd095d105f1de71e2c1437fcf72dd77cc57e07b2eb38e7d97c0
Manifest4882bd0aadd1f65c6b5479ca28ff1b7dc757b0cfcc9983744c6d1a75217c6d22

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
Signatureys4r0Y7srqpaJOuLeEWzLWap+Oztdqy0ax4lk64etd6UpTPedSxf5ptwIWm6WeOUznk0hEk40mG4f/I0pfzzDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:38.247073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078604
observed 8e2cc6ab73e93cd095d105f1de71e2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.228606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078604/manifest.json
observed 4882bd0aadd1f65c6b5479ca28ff1b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.209431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078604/publication.md
observed a6bcf08868ff05e037c7c98692809170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.191197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078604/publication.txt
observed 668ecbecee4c27b85c0f8bbccebd7fe1...
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.