OpenTechnical

OT-2026-000097021

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097021) never changes.

Identity and time

Publication numberOT-2026-000097021 · never reused
Internal UUID01a0aea1-01c9-7b05-b03b-a2cc863f9150 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097021
StatusPUBLIC

Content hashes

Canonical text43fb89ec33cb5ee44c85657a2f8c1c9c3354b7b6eaa8d7a32bcf183ba5686e06
Markdowne179ec191351d25efd5a33aba26cbfb76200df7f1f7fe9b5128ee1ed9ea38c3a
PDF
Publication page543733362870e99ee756398254b57d751a3e247b1ea4b14d5336064fe6df4478
Manifest81ce4d70f9d3e303e3f574b7b2583777f7e197550b36027551b1086d413dc2f1

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
SignaturePoDsmh6IL2eAcVuDk7XxGkLKj/TsfOLyoZRoHSYs4DIPvlXoiIF/Lat5lAl3vsVIU+/Z11Mx/NN/8ic1I55xBg==
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

2026-09-17T09:10:30.868188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097021
observed 543733362870e99ee756398254b57d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.850827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097021/manifest.json
observed 81ce4d70f9d3e303e3f574b7b2583777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.708810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097021/publication.md
observed e179ec191351d25efd5a33aba26cbfb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.689764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097021/publication.txt
observed 43fb89ec33cb5ee44c85657a2f8c1c9c...
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.