OpenTechnical

OT-2026-000049424

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000049424) never changes.

Identity and time

Publication numberOT-2026-000049424 · never reused
Internal UUID01a0ae81-8f7b-7dcd-ad8d-a451b8275ffd · 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-2026-000049424
StatusPUBLIC

Content hashes

Canonical textf6fa1dc89f1459c3ab51989159761821492b04f7cd2117f7598dd666eff13da6
Markdown590e45b9193a5ea20a991bdd6c25d01957651168ae6736600f284e9ab59296d8
PDF
Publication page3cfbc634aad748f724a8a732cc689d71f98545ba230bab1559d00bb3fabdac0a
Manifest7543c60b2fc289cde7a2f441b01e888bacfb5f0434a67378e52a00bee97bdb5d

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
Signaturem2fHYWf1l0RXbkhgLzyD1vDuwZwVSL8Biw3ySqGjBC8Fs4M0IxeUc+59aTFxWn5aWX9YzGGsPXkoxY/lHxsnDw==
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

2026-09-17T11:02:14.999920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049424
observed 3cfbc634aad748f724a8a732cc689d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.982363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049424/manifest.json
observed 7543c60b2fc289cde7a2f441b01e888b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.961897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049424/publication.md
observed 590e45b9193a5ea20a991bdd6c25d019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.943839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049424/publication.txt
observed f6fa1dc89f1459c3ab51989159761821...
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.