OpenTechnical

OT-2026-000044004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000044004) never changes.

Identity and time

Publication numberOT-2026-000044004 · never reused
Internal UUID01a0ae7b-d679-76c4-9a09-d1195368ec46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044004
StatusPUBLIC

Content hashes

Canonical text70345621cfe0ed660d9d3cf18d1079d27943273ef6693357e3b70f8877b6036e
Markdown5317b21077353e5da16ac4239de470af95bfb234d7626fc538fa7be5b56deedb
PDF
Publication page04bdd413ebdbbb0de0ea576494f8b63d100852a62a7477b418816ac104929b6c
Manifest63e50d391ebac11ff8089f947bafe53a44dfe4f91f7433cbc98bdb4d8e34c75a

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
SignaturellHxPhyg97vmms98PytAOeArcO1cJAmvP2M6ZnPHBBGDjWbB5tWZHaA474WWmlZ5nEeGDLjADr0piZps0C88BA==
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

2026-09-17T11:12:22.863692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044004
observed 04bdd413ebdbbb0de0ea576494f8b63d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.845533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044004/manifest.json
observed 63e50d391ebac11ff8089f947bafe53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.828450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044004/publication.md
observed 5317b21077353e5da16ac4239de470af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.808384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044004/publication.txt
observed 70345621cfe0ed660d9d3cf18d1079d2...
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.