OpenTechnical

OT-2026-000029785

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029785) never changes.

Identity and time

Publication numberOT-2026-000029785 · never reused
Internal UUID01a0ae73-5e24-756c-bceb-40bb6d88ac30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029785
StatusPUBLIC

Content hashes

Canonical text0420dad479fe480fb0fae42286a8fb71b94f5c2e52a3e779729043454d27a654
Markdowne8078e3931edca892b436356bc3692b93f4a4b87ba4bce58dc4a8e40cffbc6ac
PDF
Publication pageef3da02765486ccb2a902dd76a46a41d86fec86d301bd033809f7ec78c7c1f89
Manifest0ff177e0a8a9939900ad2c3eb681843f39a5ab08c0d51bc0538f74709c52c993

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
SignatureHqiYvegh9FgqQ8B8eZ43JyJtLUHFfSBCGkEwrf+etU+SdaF+auZ4MlNMHlN45g3bZM8feZOyu3o/TCDcomMYAg==
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

2026-09-17T11:39:33.244443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029785
observed ef3da02765486ccb2a902dd76a46a41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.226922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029785/manifest.json
observed 0ff177e0a8a9939900ad2c3eb681843f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.207625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029785/publication.md
observed e8078e3931edca892b436356bc3692b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.189118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029785/publication.txt
observed 0420dad479fe480fb0fae42286a8fb71...
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.