OpenTechnical

OT-2026-000061696

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000061696) never changes.

Identity and time

Publication numberOT-2026-000061696 · never reused
Internal UUID01a0ae8b-b8aa-79bd-836c-7f44e0c9523a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061696
StatusPUBLIC

Content hashes

Canonical textf78842c7cd33548fc0a83bbd793c3567f3fb4e196dc736aaf97f86adceb7147d
Markdowna9dec53fb2c13672bf3067c9d3003cab41cafd6e4e125d0cb88ed7b037de83df
PDF
Publication page975ae2c8b0fbbcda0a78d83d0f733baaa18ee4469a87ee82688bf42df7e6ed52
Manifest4fcb47ffbfe3e6bf31832ba16acd50c32b48bf1a4f74c4bb156e90fa4a3c6338

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
SignatureomOvXFOa0uhtUu0JZ+Vos4/bnKYwKSS+jDDwJAXbMHBli4O3laOnvCJD9wSnu8LFvyWleoAXcaqLRGrVyX0oAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:15.642138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061696
observed 975ae2c8b0fbbcda0a78d83d0f733baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.622565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061696/manifest.json
observed 4fcb47ffbfe3e6bf31832ba16acd50c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.601402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061696/publication.md
observed a9dec53fb2c13672bf3067c9d3003cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.579774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061696/publication.txt
observed f78842c7cd33548fc0a83bbd793c3567...
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.