OpenTechnical

OT-2026-000049333

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000049333) never changes.

Identity and time

Publication numberOT-2026-000049333 · never reused
Internal UUID01a0ae81-1350-78cf-b9f9-fa81ecf78c67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049333
StatusPUBLIC

Content hashes

Canonical text008e3edadee80361a08745c1e66e64f35c65c16eb3d420ea7ebb9e3329ddfb8e
Markdowncc362f9ac8293addc1a567ec64cb5d2c4afe4a6e6bad84fd341bcc81f5a00446
PDF
Publication page2e789536423d5b6c453cb11e44758aa696421dafc87c92668646687ffcabbef1
Manifest1aec26202fc41eaa771a53714f81882d1962c9592c9b9e2e9f8e56078f7da4a1

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
SignaturesJOLcGC5RX5KeIbj9D7IjvqionKSokWx9HgYuYGQqd1cRm2bkXr+S1tA3XkbthcMF0z1IA26IhnYIIVsIlWcDw==
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

2026-09-17T11:04:12.680428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049333
observed 2e789536423d5b6c453cb11e44758aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.663145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049333/manifest.json
observed 1aec26202fc41eaa771a53714f81882d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.646033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049333/publication.md
observed cc362f9ac8293addc1a567ec64cb5d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.628317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049333/publication.txt
observed 008e3edadee80361a08745c1e66e64f3...
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.