OpenTechnical

OT-2026-000020129

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000020129) never changes.

Identity and time

Publication numberOT-2026-000020129 · never reused
Internal UUID01a0ae6f-4378-78cb-bd1d-719c9f30c892 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020129
StatusPUBLIC

Content hashes

Canonical text2f88e8281903a801846a30d4382eceef4aaad83dcafc19a3987975cd73bb8525
Markdown0c1625a992178e3276e1fb727ec59938d9a2474700f10c6811e5050f4e120319
PDF
Publication page21671b9a66e8065ad3fa94ff8ec2d4938b86b4fd5bf585687f81c401c92438f2
Manifest413c65a64dfcff4f2c1f77429f5a5b1ea47e73329380af33aa2940b301826d85

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
SignaturesJQPW86OgMEZejZohWDWFQYrVDRKtyIzMuMkbmZjZoMpHD38mw5a3eGOF+xisDA/XuL/9OQYr/Z8xcRhKlBgCw==
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

2026-09-17T11:56:26.162211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020129
observed 21671b9a66e8065ad3fa94ff8ec2d493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.144209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020129/manifest.json
observed 413c65a64dfcff4f2c1f77429f5a5b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.125126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020129/publication.md
observed 0c1625a992178e3276e1fb727ec59938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:26.107354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020129/publication.txt
observed 2f88e8281903a801846a30d4382eceef...
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.