OpenTechnical

OT-2026-000076959

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076959) never changes.

Identity and time

Publication numberOT-2026-000076959 · never reused
Internal UUID01a0ae94-b071-7412-8a25-0f7ee1f88cc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076959
StatusPUBLIC

Content hashes

Canonical texte3e8c45edfd4c3f5d3c78a94ef465b87d19812772503ad551739011012912541
Markdown1f20b0accc3e4e1644b023a73f27c60ec40f1a926ce64aca713f6cc91a873e1a
PDF
Publication pageda0b438b5168d3f946cb618d3c8d41f2c2683235f3a6947ea70cd360c006a044
Manifest83370c8bcb6999441bb1aa93ee0632f852269c132fc240eb8226113bec5b9616

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
SignatureOYgSqUMeE8NM6FGlKJF5Ma+YDdSeyxzcIuCz8h7ZWCHVwckB7RcapubRKbijjuFYBIhBQmx87pOP0BSi/QLJDg==
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

2026-09-17T10:10:10.299764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076959
observed da0b438b5168d3f946cb618d3c8d41f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.282264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076959/manifest.json
observed 83370c8bcb6999441bb1aa93ee0632f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.264163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076959/publication.md
observed 1f20b0accc3e4e1644b023a73f27c60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.246786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076959/publication.txt
observed e3e8c45edfd4c3f5d3c78a94ef465b87...
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.