OpenTechnical

OT-2026-000045477

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000045477) never changes.

Identity and time

Publication numberOT-2026-000045477 · never reused
Internal UUID01a0ae7c-f76d-7a9f-aa11-dd2a01e56cd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045477
StatusPUBLIC

Content hashes

Canonical texted218b58720365a5d593e3c1626a13a08b733be627708d34551eefcc1ec681ea
Markdown623dcd86a99ee886123eb1f0cab90d2584f55f76e6a39dece656c04beb5a2b57
PDF
Publication page31368f3ab013a7b40eaad212362767f00ec1bb11a7366568dff802e5a6877264
Manifest4adfa550de5e92f501bf9c6e9b62f02936398adcf63faf47d9b161499e86fc42

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
SignaturedDh6oCo6A/mIbzfzkeBf7Hwn9u+Sd6IaOR+rIHsC0T1CoPndzxooadKCeHhTzyopA5HakB7AvWB1mQTCv+FODw==
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

2026-09-17T11:11:17.336511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045477
observed 31368f3ab013a7b40eaad212362767f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.313145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045477/manifest.json
observed 4adfa550de5e92f501bf9c6e9b62f029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.295762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045477/publication.md
observed 623dcd86a99ee886123eb1f0cab90d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.272743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045477/publication.txt
observed ed218b58720365a5d593e3c1626a13a0...
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.