OpenTechnical

OT-2026-000005660

Publication integrity record

Porous face vacuum gripper, common isolation valve, ejector fed, pressure verified, vented 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-2026-000005660) never changes.

Identity and time

Publication numberOT-2026-000005660 · never reused
Internal UUID01a0a940-8c95-71f8-af90-736268da9a52 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:14.936428Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005660
StatusPUBLIC

Content hashes

Canonical text469522e0cbd5d7b8095bf9273272c2adb0838968464aceea62b550637e4e21cd
Markdownb777fe2c72bff74edde3f0b39458a4ce35d544b49c08611900892f61c33fa59e
PDF
Publication page3164c0b123b5d7420e809cd89292a3d43f7e89cd1a9d1b3cf3dbb109a393d328
Manifest87d1b876e029d63dab172727b1c43be5f7ddd4cf9c50cfa212e490a657161763

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
Signatureo6GlWnHMtBVCOrITn/QlwPlxqklv4NltbjCpwT1N/mWIBfvMNBitVrYSIx2406bNJP6Q5Dq/n+86h1an1W0UAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:15.123501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005660
observed 3164c0b123b5d7420e809cd89292a3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.991101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005660/manifest.json
observed 87d1b876e029d63dab172727b1c43be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.976095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005660/publication.md
observed b777fe2c72bff74edde3f0b39458a4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.958938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005660/publication.txt
observed 469522e0cbd5d7b8095bf9273272c2ad...
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.