OpenTechnical

OT-2026-000092301

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000092301) never changes.

Identity and time

Publication numberOT-2026-000092301 · never reused
Internal UUID01a0ae9d-875b-7e05-b786-69b06efb749a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092301
StatusPUBLIC

Content hashes

Canonical text3551c414b0cebfa1b5f8e125ada628e2134817a256b624321a1bbceff25f5c75
Markdownce419d806a8626556276ecb7557b359d5414d2b7ff41099c1216a3816ee0f2ef
PDF
Publication page1391cd35a0e2702cd3cfb669974c35881ae8c352460cddae119f63edc265f2f2
Manifest4a35711c7d3db8126f1bc3b2b65e5042558ddb6fc16c671e8643e3beef4f50fc

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
SignatureZ7bvon/6mRgly6FpnBfdrKvAiQnChGtYk236PtdjyMT6DsxeyeM64NWnUcz4/6XFENYoxTirCeb4XUHLmX/RAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:44.719740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092301
observed 1391cd35a0e2702cd3cfb669974c3588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.692608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092301/manifest.json
observed 4a35711c7d3db8126f1bc3b2b65e5042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.675733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092301/publication.md
observed ce419d806a8626556276ecb7557b359d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.649019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092301/publication.txt
observed 3551c414b0cebfa1b5f8e125ada628e2...
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.