OpenTechnical

OT-2026-000044773

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000044773) never changes.

Identity and time

Publication numberOT-2026-000044773 · never reused
Internal UUID01a0ae7c-911a-7d4b-950c-a518cd56ac82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044773
StatusPUBLIC

Content hashes

Canonical text30edc0a1d6c80042b53dfca2e2a764b6e7298c86a496726e1140447d4e3667ad
Markdown0d2f1ea5d1f1a8289a45b120b553bfb58c376514eebae9cdb380a075b96ec892
PDF
Publication pagec40ecad041cbb62a978c8efe0ba478adca8e1978ba8fc8ff3517406dd2fe4477
Manifestdf3dc93f7ad6b4b4aa445be32cfc355a9cf5a1a2e7f69faf1eb7c65f1f94663b

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
SignaturekaiP2jOBjFk8kmxnPIdkoc4cgdwIjBcp8jd0Hm04cJ2VdCQHrTq3AMr7EZp0Pdm5f2Id0vQbDbXyBen8S4qQCA==
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

2026-09-17T11:11:23.784375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044773
observed c40ecad041cbb62a978c8efe0ba478ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.766929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044773/manifest.json
observed df3dc93f7ad6b4b4aa445be32cfc355a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.747976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044773/publication.md
observed 0d2f1ea5d1f1a8289a45b120b553bfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.731879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044773/publication.txt
observed 30edc0a1d6c80042b53dfca2e2a764b6...
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.