OpenTechnical

OT-2026-000005654

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, contact triggered, silicone cups, oval form

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-2026-000005654) never changes.

Identity and time

Publication numberOT-2026-000005654 · never reused
Internal UUID01a0a940-5ba3-7c0a-a7c4-27c2030ea3b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:02.406542Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005654
StatusPUBLIC

Content hashes

Canonical text38415e3f0f703b8d79869cb62c86bfa65337ff8fc99be16c60b17722fca7a6ed
Markdown3406366df538a09932335490eebb6a68f5afa6c41ba10b66e719c1c47add82c5
PDF
Publication page1d33ad2d812acba94ffac5f1b37261c27396f5a8ddf3b460ee1f5a366692bef3
Manifest2997c2a405fb646875c37070220facc8042872a056ac41f72d380cdc8faba417

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
SignatureHCsm8aEG7GTOSRlX9pBi8cLuiuXfKAEeeD4qUaFEj7AGfkJDuja+cUqzfDNeU7UnV4/DmEKnVGxi1qhtBioCAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:15.747650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005654
observed 1d33ad2d812acba94ffac5f1b37261c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.733454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005654/manifest.json
observed 2997c2a405fb646875c37070220facc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.716981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005654/publication.md
observed 3406366df538a09932335490eebb6a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.701731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005654/publication.txt
observed 38415e3f0f703b8d79869cb62c86bfa6...
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.