OpenTechnical

OT-2026-000049108

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000049108) never changes.

Identity and time

Publication numberOT-2026-000049108 · never reused
Internal UUID01a0ae81-134d-7e90-ac05-f96c5cabaa7c · 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-2026-000049108
StatusPUBLIC

Content hashes

Canonical textcb4eae6147e0048fbaa71c8c4f4b0cdb4a5eccbfd58edd768f3a2283d168eb27
Markdown3042fccc2f5dd6a2f92ab5543c1f3c9db7622270b8f3f3d3815fd1152efe5ad5
PDF
Publication pagee90b8a15b0895b287259147c5633fa569286cda6f4cb53d6c26a793460bcdcc4
Manifestb5fe1252f3d9c5ed8268008c84169c05efd218d93b0bbf726c495a68358fcb92

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
SignaturejnbqBw34qAbSZpJhkloRuiNS6Z0x6FCMTPqx9waz5v7TjkQfshIpJ4OBVbu3f83wYtPvbx9dGSTr3Q9mEUEcAw==
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

2026-09-17T11:03:21.939198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049108
observed e90b8a15b0895b287259147c5633fa56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.921580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049108/manifest.json
observed b5fe1252f3d9c5ed8268008c84169c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.902375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049108/publication.md
observed 3042fccc2f5dd6a2f92ab5543c1f3c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.883893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049108/publication.txt
observed cb4eae6147e0048fbaa71c8c4f4b0cdb...
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.