OpenTechnical

OT-2026-000041957

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000041957) never changes.

Identity and time

Publication numberOT-2026-000041957 · never reused
Internal UUID01a0ae79-e8a7-703a-8253-ad990485bd03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041957
StatusPUBLIC

Content hashes

Canonical text922dd40d79cfd4295d5bc3868b7ce9023809832099a9cd94fedf182d43c901ce
Markdown2ff9034c988a09c99342c77dd7c31ea5313f9d0792d0fa436a706bbe593b79dc
PDF
Publication pagef7213065bd2d05db04ec150de50f4e96e1acd3707f84cfd8b5948d677bee292e
Manifestdac5f2f11f29c96fcf3264624cae511ba50700c3c5eb1e34bec7cfb8746a0151

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
SignatureJ04vQlP5x9TiGBYsFeEUuTVv0MTY5VLnzH3n3MnYpUCzht7nfzEOw9F7eoVrRS3EoXzXLNpW/3UjgI6N8keHCQ==
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

2026-09-17T11:16:50.919424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041957
observed f7213065bd2d05db04ec150de50f4e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.899810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041957/manifest.json
observed dac5f2f11f29c96fcf3264624cae511b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.883065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041957/publication.md
observed 2ff9034c988a09c99342c77dd7c31ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.865606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041957/publication.txt
observed 922dd40d79cfd4295d5bc3868b7ce902...
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.