OpenTechnical

OT-2026-000074443

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074443) never changes.

Identity and time

Publication numberOT-2026-000074443 · never reused
Internal UUID01a0ae93-717a-76a0-a7fd-d3b3817e932a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074443
StatusPUBLIC

Content hashes

Canonical texte6c608b225ca8e11f736ace3434722ce309f3fa2a57a4e73a6185a3e316f38cc
Markdown4e38a3fdc3108e9b75c718a8a5822fcf019ce0373b466c2e955e6b4ff32f3c23
PDF
Publication pageb3db0f50b0dc7784d789cdd0dc9f262af8f5034bffa720bfea396c1a98f88e3b
Manifest11b5d6ab216be772cbdd419cb7987c80e233371b89da733ba1f85681339d1040

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
Signature7cbZsGePCRsYar1flwXrXbjZWkeT5HZ7dzmZIqEkhko0It11FN73WVgivhclcjmxwm+Cj35ufDU9vVDHmu8CBg==
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

2026-09-17T10:19:23.880132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074443
observed b3db0f50b0dc7784d789cdd0dc9f262a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.860535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074443/manifest.json
observed 11b5d6ab216be772cbdd419cb7987c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.842317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074443/publication.md
observed 4e38a3fdc3108e9b75c718a8a5822fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.822564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074443/publication.txt
observed e6c608b225ca8e11f736ace3434722ce...
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.