OpenTechnical

OT-2026-000103560

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pulsed 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-2026-000103560) never changes.

Identity and time

Publication numberOT-2026-000103560 · never reused
Internal UUID01a0aea4-e461-708c-8013-70f45f0339b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103560
StatusPUBLIC

Content hashes

Canonical text1d3d280b334e1ab79ee87da83d2c14f544acfd2464044977091235233c28218e
Markdown400f4d74abfb5148db39c34e9705b40a8c00f52df6886812356ebdae95861847
PDF
Publication page2fbd826344fa011d525e75c180cac5c746ffac8128a74216559c46eb117b04e1
Manifestf0c4ecadb0240c9592e5b5ae08a0a36e3bf5dba3d74d750a5874d979d17b501a

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
SignaturepPpNj0mXLpyBFVjFbgGV+dlwTwDy+Eiyev08mIHsKNx+uXqR5SNWELVoE89PCFtHIkAus4iWs2Q5CHYU+lznAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:04.179805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103560
observed 2fbd826344fa011d525e75c180cac5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.162602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103560/manifest.json
observed f0c4ecadb0240c9592e5b5ae08a0a36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.144417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103560/publication.md
observed 400f4d74abfb5148db39c34e9705b40a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.064296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103560/publication.txt
observed 1d3d280b334e1ab79ee87da83d2c14f5...
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.