OpenTechnical

OT-2026-000053559

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line 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-2026-000053559) never changes.

Identity and time

Publication numberOT-2026-000053559 · never reused
Internal UUID01a0ae85-0a93-7fc4-85f8-a259642d96c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053559
StatusPUBLIC

Content hashes

Canonical text8815a21f36a44e6b9942bb640bdad6ec1a038b29bc0e5d4acb637fa1cb6dabe1
Markdown7ffad841c6f59c52ab96ddabbeb20223faccaab8a120b72669674a68f2ce2708
PDF
Publication pagefc58968ce2a572d3750a626c536d17a1f83eb0e030623bbc9f4df4cf8dc80827
Manifest3ee7c34e81c591c9793627e0dbd832b23ae22d360ac02f15338e6395515c35a3

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
Signaturerc+zJkbnWJih8BFBJy2BRFWKPHyBK73FNahBMT811J1HrVXXddLXLZCl7YC3QOE1tUJjA3jQpdN4E15jLfUzCA==
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

2026-09-17T10:55:25.175093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053559
observed fc58968ce2a572d3750a626c536d17a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.156356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053559/manifest.json
observed 3ee7c34e81c591c9793627e0dbd832b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.136658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053559/publication.md
observed 7ffad841c6f59c52ab96ddabbeb20223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.115197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053559/publication.txt
observed 8815a21f36a44e6b9942bb640bdad6ec...
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.