OpenTechnical

OT-2026-000019025

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000019025) never changes.

Identity and time

Publication numberOT-2026-000019025 · never reused
Internal UUID01a0ae6e-d523-70a6-8523-72d48658435a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019025
StatusPUBLIC

Content hashes

Canonical text38f6cace0c1e90d5df8da1bc50f401b43205f31a18dd0e2fe89b85dacbd99605
Markdown93f4489f1a109ff3f2bcc1778c89455dc6abe9fe496470a2616023e6c4106480
PDF
Publication paged3083346dc889afec2edc77e26855ef76abcdd324fc260c7700819a80535f23f
Manifest15597dacacb3292b25e00aefe6c3261a53e2ffe13a55d542881e6ed6c74aa580

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
SignaturePkMnnpQJktL7cX2AHqFlH5uz2qNmg1uLTAKNcsZHdpJ21WWyIJ8RA8EKhJ+HB8exb2I3u+MlrfQ/42vd+5rWAA==
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

2026-09-17T11:59:36.206797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019025
observed d3083346dc889afec2edc77e26855ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.190857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019025/manifest.json
observed 15597dacacb3292b25e00aefe6c3261a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.173550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019025/publication.md
observed 93f4489f1a109ff3f2bcc1778c89455d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.148395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019025/publication.txt
observed 38f6cace0c1e90d5df8da1bc50f401b4...
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.