OpenTechnical

OT-2026-000007744

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000007744) never changes.

Identity and time

Publication numberOT-2026-000007744 · never reused
Internal UUID01a0ae62-843f-7b93-a607-e5f3f578a56e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007744
StatusPUBLIC

Content hashes

Canonical text73dcfacb398efd24ab0b3d03e116a65ba51585ea29b10c0a850ede737cb97d58
Markdowna9d1d829290bc03d6550873ed96a14fa6a9536ceeb2b9c1397533b5ee2895110
PDF
Publication page10d382c28629a67040f5364b2b1a2437d5e32d01269ff5cc4c53d597de81e35a
Manifesta2ee45c5c9fb6ec941c3c3cb78a95f35bcbce55da5428b3cc1888d952aab3149

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
Signature4Z/ADJ8Xn3kzDrPuOqHwkUDKGM1QXcLK9+5PcMbEvIN0quAMnlw6XwkqhXyG239yyYTPttCa5yByu8uh+pqrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:08.275082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007744
observed 10d382c28629a67040f5364b2b1a2437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.257497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007744/manifest.json
observed a2ee45c5c9fb6ec941c3c3cb78a95f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.240404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007744/publication.md
observed a9d1d829290bc03d6550873ed96a14fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.222580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007744/publication.txt
observed 73dcfacb398efd24ab0b3d03e116a65b...
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.