OpenTechnical

OT-2026-000100377

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100377) never changes.

Identity and time

Publication numberOT-2026-000100377 · never reused
Internal UUID01a0aea3-66ee-7411-b8d5-c6943c172940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100377
StatusPUBLIC

Content hashes

Canonical textce05579c9129e0b85d8b010a288debb06374a2e88b1e2302823dc727a4ce303c
Markdown8124634a70886e34fcff14f1948d1e7263f823c21bccd3da0d37bbc3e69ef4c3
PDF
Publication pagea8dcfe1f6a4312c741ee15413bd297053d54bbb55f4870a84f348a80979e8871
Manifest72fbfb57326baf892af9a545184c911b324247b6b981ac2d5ea21e4df8a06017

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
Signature0IzoURL4IkUqTacxnwTpIUTRPJUIFR1HCYgZcDJOUJcWxfoRxzWwQu/d1SrDSa10eLLhSXFB06jX81e8V4YaAA==
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

2026-09-17T09:27:06.426522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100377
observed a8dcfe1f6a4312c741ee15413bd29705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.409428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100377/manifest.json
observed 72fbfb57326baf892af9a545184c911b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.393268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100377/publication.md
observed 8124634a70886e34fcff14f1948d1e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.376079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100377/publication.txt
observed ce05579c9129e0b85d8b010a288debb0...
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.