OpenTechnical

OT-2026-000093973

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000093973) never changes.

Identity and time

Publication numberOT-2026-000093973 · never reused
Internal UUID01a0ae9e-92c9-7c47-ba40-81f0dca288ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093973
StatusPUBLIC

Content hashes

Canonical textb20c6003efeb59114d30531aa2084c019897bdc168ce661260c2661779c8b881
Markdown44c66fb98adf2f545a79849ee899a552d0a184287e7b3f05deafe6a78f844cce
PDF
Publication page374d805542acd33796a14bc7d0a2690b98b7501991ae07d0bc9fd5abd84eee9a
Manifestf49fc9e61602735c4d2411a3fcad99aa4876f7a420ac0636c8698696b64b9cd1

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
SignatureYgZjorOofetNZd7/wlVppsrUBBC2YZ9EWOu133PxLNJ8RTpBGVaHU08HknDfiIPCgyaElt1nUYDblkFSYblHBg==
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

2026-09-17T09:38:22.448619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093973
observed 374d805542acd33796a14bc7d0a2690b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.429044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093973/manifest.json
observed f49fc9e61602735c4d2411a3fcad99aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.381687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093973/publication.md
observed 44c66fb98adf2f545a79849ee899a552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.332139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093973/publication.txt
observed b20c6003efeb59114d30531aa2084c01...
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.