OpenTechnical

OT-2026-000082456

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000082456) never changes.

Identity and time

Publication numberOT-2026-000082456 · never reused
Internal UUID01a0ae97-4d97-79c4-822f-048deeb89968 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082456
StatusPUBLIC

Content hashes

Canonical textfb976e8fe96a8cc99cadea29fd1337d0d6dc3dfad19f547b6bd83e6864136549
Markdown7dbaa4cc758540a909dc1ec7cb5c0d12f85fb9c7ec4bb87491b28167c7022500
PDF
Publication page6a8bd58239126bbb4373465e5112c686c5f5a79e4fee4983e78af95e7cb00c4c
Manifest6d4e1a0d1b8e9aaf7b8c6c5fd80bf8449fa2485b963844c3b7d571d955914a27

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
SignaturefUgcmQ0MUixftN+nGeSlkVf201npFcMjtfnFM1Jz9EwbpzwjMbhagi4iSpqSGcvxXE0A7gPYH+Dyk7MiTEDeCA==
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

2026-09-17T09:59:27.422539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082456
observed 6a8bd58239126bbb4373465e5112c686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:27.406743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082456/manifest.json
observed 6d4e1a0d1b8e9aaf7b8c6c5fd80bf844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:27.388552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082456/publication.md
observed 7dbaa4cc758540a909dc1ec7cb5c0d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:27.371503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082456/publication.txt
observed fb976e8fe96a8cc99cadea29fd1337d0...
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.