OpenTechnical

OT-2026-000025878

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000025878) never changes.

Identity and time

Publication numberOT-2026-000025878 · never reused
Internal UUID01a0ae71-a83e-7358-9346-bde1dfb2932c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025878
StatusPUBLIC

Content hashes

Canonical textb420f2dfb0424250ca9589e0cbc44d544c088e029fb87ff656d8a6826c92a60b
Markdown5ba19db26bc6bbb67724d935706818630618cfc151721eb2056762fb954ccc5c
PDF
Publication page8cef5c50a99318eab6d213f8afeeeb78b2f011ac6f9cd6e14114d9bccdc43186
Manifest84dedae2cf8eed5eb0997827b2afcfa30d5a653a623e37840e95cf711ab3231c

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
SignatureDPZ60iBGHlFeInl43wS4xkVq4Q5VCXrc/DUpkWZRk9WSx1sqDXnTxNc+vZ2V3lyp62my+hMwy8KOKlW5jv0xAg==
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

2026-09-17T11:46:07.316675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025878
observed 8cef5c50a99318eab6d213f8afeeeb78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.299169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025878/manifest.json
observed 84dedae2cf8eed5eb0997827b2afcfa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.281999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025878/publication.md
observed 5ba19db26bc6bbb67724d93570681863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.265704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025878/publication.txt
observed b420f2dfb0424250ca9589e0cbc44d54...
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.