OpenTechnical

OT-2026-000049516

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000049516) never changes.

Identity and time

Publication numberOT-2026-000049516 · never reused
Internal UUID01a0ae81-8f7c-7ded-976a-a0ee640cf54e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049516
StatusPUBLIC

Content hashes

Canonical text174ffad391232e49b5769ebc8aea95b823393b42208bfdabe955ba833efd2134
Markdowna7aef4749207f49a27d2502592213dae5000c23722c1ba2cdb01bc8baffbfaa6
PDF
Publication pageb02f140296f921a32ca71bf365f1a94eb6e1f197854a524965070e21191e880e
Manifest47228f6ba91442ea7f531fd0ab06b6ed116cd19a93f2847994b2fd7efad1b153

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
SignaturehVmNn8tOEQTHVxehR0WzjkGidFiYHLbuaw6ohXK7Jl8gdl3ExqwExFR7qLgUUSZUxpg7gFtWlisuisETOT2nBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:22.486122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049516
observed b02f140296f921a32ca71bf365f1a94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.468511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049516/manifest.json
observed 47228f6ba91442ea7f531fd0ab06b6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.449248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049516/publication.md
observed a7aef4749207f49a27d2502592213dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.429986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049516/publication.txt
observed 174ffad391232e49b5769ebc8aea95b8...
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.