OpenTechnical

OT-2026-000057028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000057028) never changes.

Identity and time

Publication numberOT-2026-000057028 · never reused
Internal UUID01a0ae87-d5b6-7da2-b2ec-a2acc06ca4d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057028
StatusPUBLIC

Content hashes

Canonical text4205a94f96e5c80c481017adf36bcbadbedc00e0a7b96b4ee497f96b017de528
Markdowndb54be081ce6b5be373ebac46fb67e63e99abbb752664a2560dd27c271dd0779
PDF
Publication page04715731f010282d3caa96d45bbad9dae88d63c10cbdce13090e4803275fa61d
Manifesta85c96487f13c48978af4d55ff2e6e30c02c8abe34b5c28b352d09136b246f8b

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
SignatureQqnVIuMLot7bJmBZkmJvOs188CfIzs0GbDTJizhQoKhEJUVBbOfAjQU08WtQxRcvy+GtPcbcr7g9pQKo7svzAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:30.516757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057028
observed 04715731f010282d3caa96d45bbad9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.500784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057028/manifest.json
observed a85c96487f13c48978af4d55ff2e6e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.484452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057028/publication.md
observed db54be081ce6b5be373ebac46fb67e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.465310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057028/publication.txt
observed 4205a94f96e5c80c481017adf36bcbad...
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.