OpenTechnical

OT-2026-000092852

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000092852) never changes.

Identity and time

Publication numberOT-2026-000092852 · never reused
Internal UUID01a0ae9d-b601-740e-92b2-4c174d8789c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092852
StatusPUBLIC

Content hashes

Canonical textf9c483f43186438bf0f8672a7aea5441a392e87f529b7e6ab9e42106e3069b19
Markdown708d4b752c54d3fb1e60c02ef4ff852518bee56489a72c27c1516294b061ca0b
PDF
Publication page0aef937856eabd6436494ce9c4f2d0874ab1ceefdd513c3360f3bacf10b6b469
Manifest13469d46b2c5b49b9cf7c61fa8a86f94428f03c830c0b08bf2a6b05e58024385

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
SignatureCDams5IXeyfNEdiEf7n2fwcHkkn/8d/+zZDp6nJA/a8HjhXNBLaJoOWjRlDJTThoNDGoCTpgKj9SljPpPX30Bg==
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

2026-09-17T09:41:30.476080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092852
observed 0aef937856eabd6436494ce9c4f2d087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.454911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092852/manifest.json
observed 13469d46b2c5b49b9cf7c61fa8a86f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.437031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092852/publication.md
observed 708d4b752c54d3fb1e60c02ef4ff8525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.417910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092852/publication.txt
observed f9c483f43186438bf0f8672a7aea5441...
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.