OpenTechnical

OT-2026-000097937

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000097937) never changes.

Identity and time

Publication numberOT-2026-000097937 · never reused
Internal UUID01a0aea1-92f7-7c8f-89e9-fe7f15eb6924 · 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-2026-000097937
StatusPUBLIC

Content hashes

Canonical textbc46f51ecf0f85c7d15be4677afaba2270959bde23777e5f8e947d2dda6211fa
Markdown9942adb884feec9204e5ca108511d8c56ca324ec1ea129f0bd1feb374be96a88
PDF
Publication page3210f7e8d45c04ef7cc02adc01baa11a3dafb6686076ff4095cdf43c485ece8e
Manifest50e4ef4a938940f4acb000b76b768226a653a4cf37de584373b5c2e74477864b

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
SignatureyhIsdXtv25dXOp/czAOszO1TPAywwZ9imlRwa03LRij03a4f2Wzl53A81I6VnGvlZTidx1YJ8k+3fEcyYFauAA==
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

2026-09-17T09:33:04.208197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097937
observed 3210f7e8d45c04ef7cc02adc01baa11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.191336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097937/manifest.json
observed 50e4ef4a938940f4acb000b76b768226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.174136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097937/publication.md
observed 9942adb884feec9204e5ca108511d8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.156496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097937/publication.txt
observed bc46f51ecf0f85c7d15be4677afaba22...
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.