OpenTechnical

OT-2026-000045574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000045574) never changes.

Identity and time

Publication numberOT-2026-000045574 · never reused
Internal UUID01a0ae7d-8f02-748b-840b-fa8a3fb49593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045574
StatusPUBLIC

Content hashes

Canonical text03055e0c849a8d1b9478c7bfe2a52976d7e94863fc2b3caa6f255c454ef3560a
Markdownaf909c2e569ff331228fcf01e812b221e0caf7296878648c6b9e5d183eaba542
PDF
Publication page34c2b238d59dd43271903bd8f3dd30ab396f90dcb61bff5f64e3e233a6430c95
Manifest9662784470863caada396ca3c2248cc89adad526cd16b5a1acfdb0732da9081f

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
SignaturePAhbYKF0d+jy6rmFjrQJ8TCY9nUGwFJxujevtGexjUF9LlxUIX8CuCYqxbLLkfMTJb9vHEcyLBnW2icHgHe8Bg==
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

2026-09-17T11:09:20.217736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045574
observed 34c2b238d59dd43271903bd8f3dd30ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.199453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045574/manifest.json
observed 9662784470863caada396ca3c2248cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.179499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045574/publication.md
observed af909c2e569ff331228fcf01e812b221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.159754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045574/publication.txt
observed 03055e0c849a8d1b9478c7bfe2a52976...
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.