OpenTechnical

OT-2026-000045041

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three 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-2026-000045041) never changes.

Identity and time

Publication numberOT-2026-000045041 · never reused
Internal UUID01a0ae7c-f767-79ec-bef6-5b23c3ff31d6 · 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-2026-000045041
StatusPUBLIC

Content hashes

Canonical text273f695e611514bfbb49a2f4f228b74882ec76d4abea49d4ec948e6257c04a6f
Markdownd5cc837684887516b668844467b580f08092bcbc089f537a74b30176c76e6bda
PDF
Publication page17adbfb54e76814cd629d7b71e084fdf2a498666580cf6f62eafb7007aaf87ae
Manifestb313968fc02ac7e764f7d5569c122ca8f3183022eb8a338cde23478ff2d55405

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
Signaturepx4rD6Ng83G0znJXNl0WigTN8s8PUVjCfoynr+otDauMsAaSHNz3+PgoyXO4SPJwu+LN3fQckxtku5k+6Sp3CQ==
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

2026-09-17T11:10:03.582800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045041
observed 17adbfb54e76814cd629d7b71e084fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.564472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045041/manifest.json
observed b313968fc02ac7e764f7d5569c122ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.545356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045041/publication.md
observed d5cc837684887516b668844467b580f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.522876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045041/publication.txt
observed 273f695e611514bfbb49a2f4f228b748...
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.