OpenTechnical

OT-2026-000047953

Publication integrity record

Six cup vacuum gripper, six 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-2026-000047953) never changes.

Identity and time

Publication numberOT-2026-000047953 · never reused
Internal UUID01a0ae7f-c422-7501-980e-0020c1cbed87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047953
StatusPUBLIC

Content hashes

Canonical textce102fa4ea0979fdf53c2759548907c89bb09018ad8f1f993327cc01f13249b5
Markdown2928b2a5f8ea48a010773ba3667f6219f492984b1d2b0857bb1060913ac37a1d
PDF
Publication page9534e2d480b5ada0cd230c34fa6342fc45cac3c6e8a28e88c10e059f42773f6b
Manifest3950a2cc62a8a603d0e2cae0bde07b88294954a1ceec4d8406547684e1a2ad96

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
SignatureHcizVoy5uRS7x04cSgtz5eKLsXk/9Ar2PDSPadt/zawDSL0BRp/ThAeQB3bvhhxHM2GKMtTp3AepPoP6HEyFBg==
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

2026-09-17T11:05:55.400516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047953
observed 9534e2d480b5ada0cd230c34fa6342fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.382417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047953/manifest.json
observed 3950a2cc62a8a603d0e2cae0bde07b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.363342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047953/publication.md
observed 2928b2a5f8ea48a010773ba3667f6219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:55.344591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047953/publication.txt
observed ce102fa4ea0979fdf53c2759548907c8...
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.