OpenTechnical

OT-2026-000067236

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000067236) never changes.

Identity and time

Publication numberOT-2026-000067236 · never reused
Internal UUID01a0ae8f-6bd5-75b4-b4ae-6323f193fb51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067236
StatusPUBLIC

Content hashes

Canonical text91ecfa0dca437d877ee0e9a09452afea1212fbe7c53431ae96a7b61e6405dc66
Markdownbbfcbbd4720aa4f317c4a414290a9678c6c7d01f332b150286b0f753c3f76d6c
PDF
Publication page2adedb23a1190d44c63164998b129487dbef977fc9ac73f5b04ccb2559d56fb6
Manifestf18119a56c31eca973bc1945f587e0fe0caef9acf45344370ceb50dbad097ee8

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
SignatureW5DZ3oQt2AS+e5AEh/u4fPXYNBrMbSKDhLYJx7dyixm1mReDyxSAYgWkJ78dc8Osv4sEUXEB0OTZx3WamggJDA==
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

2026-09-17T10:30:54.408173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067236
observed 2adedb23a1190d44c63164998b129487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.391067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067236/manifest.json
observed f18119a56c31eca973bc1945f587e0fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.375169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067236/publication.md
observed bbfcbbd4720aa4f317c4a414290a9678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.359787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067236/publication.txt
observed 91ecfa0dca437d877ee0e9a09452afea...
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.