OpenTechnical

OT-2026-000103656

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum 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-2026-000103656) never changes.

Identity and time

Publication numberOT-2026-000103656 · never reused
Internal UUID01a0aea4-e462-70e0-ac29-fcd6d69e17e6 · 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-2026-000103656
StatusPUBLIC

Content hashes

Canonical textfc80aac2171cc3be201df5c1b88d71e5244a7d6f331a999cd6ec2e6e6ef5d0fa
Markdown075c2e869e131256dcb307a2813d1dd092175d95aee42a4a130d5af0ebf7d9f5
PDF
Publication pagef772cd635844212fc0662ca61197e74abec98da5dade83c2bf3ee28c12f7319d
Manifest8b98cc4007e6073a5f2356fd471ad45a5bba00f4171bccdc357f8d3d90ef1ff8

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
Signature04Wq/zRkuKmjxsEl11IITgqR//3nbMoz/G+EILCh0o6v2dQUdwH3B7FdJnBDr98DiE6KewicaGO/Wd3423hJDQ==
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

2026-09-17T09:22:27.388307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103656
observed f772cd635844212fc0662ca61197e74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.370893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103656/manifest.json
observed 8b98cc4007e6073a5f2356fd471ad45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.353941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103656/publication.md
observed 075c2e869e131256dcb307a2813d1dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.335578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103656/publication.txt
observed fc80aac2171cc3be201df5c1b88d71e5...
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.