OpenTechnical

OT-2026-000097759

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000097759) never changes.

Identity and time

Publication numberOT-2026-000097759 · never reused
Internal UUID01a0aea1-92f5-7eb5-8c6e-6ba8548f0951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097759
StatusPUBLIC

Content hashes

Canonical text915bb1dabf0782d9bad12d6487cd104e6e642d3508627231dea944988c3a6200
Markdowncae973db12ce307ba13b69920b12d5ee600b0d62c2ed3d4d527088d36c3f278b
PDF
Publication pagef1d7fd5d1f7f36d619fac5ce547df1d5aeec353e4c142d37ec1adc998d1bcd49
Manifest6032c9269380090a52aa63d1db1cc7abc25140ee30f86b70769ccd94f00d5689

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
Signature9os4eB6wMANV4v5eBL2lDngketVehO8uyDfp3eRGpkXP+MaxgAtOIfaw092DBPBV4CF/of8q6c5f9kQW4k+nBg==
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

2026-09-17T09:32:49.838523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097759
observed f1d7fd5d1f7f36d619fac5ce547df1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:49.811069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097759/manifest.json
observed 6032c9269380090a52aa63d1db1cc7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:49.781816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097759/publication.md
observed cae973db12ce307ba13b69920b12d5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:49.751400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097759/publication.txt
observed 915bb1dabf0782d9bad12d6487cd104e...
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.