OpenTechnical

OT-2026-000071706

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000071706) never changes.

Identity and time

Publication numberOT-2026-000071706 · never reused
Internal UUID01a0ae92-1e91-78d4-9b84-fded2708382f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071706
StatusPUBLIC

Content hashes

Canonical textd1cf307623246eb21033536437e646379e851e659860bcd6a46c544b2232fa6a
Markdown8dc45865ae5611ef11f39becfa2104c19d02324c0ddaeb78bd773a339c4ec4c1
PDF
Publication page75b75c2c3950a3fd18ae5f483355b8216b11bf0d004c2140e4df95309c89cea0
Manifest06884387f91686e11d2935c31a013130bd70efd04221b81650e9e5c1247c450e

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
SignaturefFUAsKaMhboF6DYeCFZeEJLiYZ3g2Hp8kXG0fjBM6MGwFHAkDv9xMg7YQW4BkxFUGW6jMXi8O8gKzoUHs/bNAg==
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

2026-09-17T10:23:46.510535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071706
observed 75b75c2c3950a3fd18ae5f483355b821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.486312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071706/manifest.json
observed 06884387f91686e11d2935c31a013130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.457294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071706/publication.md
observed 8dc45865ae5611ef11f39becfa2104c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.430205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071706/publication.txt
observed d1cf307623246eb21033536437e64637...
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.