OpenTechnical

OT-2026-000095733

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000095733) never changes.

Identity and time

Publication numberOT-2026-000095733 · never reused
Internal UUID01a0ae9f-fac5-7ff3-9e24-1c3a0c4c6c48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095733
StatusPUBLIC

Content hashes

Canonical text2107027da044473e799d831c3839ba197a92a70424fd99167a7f722e738f74fd
Markdown73a8aca69968ec6ab2c45d87306f123d4bb90df7a80dadb0b756738697252d1a
PDF
Publication page25c111951c0fc19aceecf82e88c3d2d557b9d98c38f8d54aab8f016916d6f420
Manifestc509c5a39ddfd6c607df40f0463ab74c249a1c7023d3876536ba7c36c722ffe6

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
SignatureDY/l7NKJuLEM3Pt682FHEotmYJ3UUOARC98Jsgq0FEp4MIhwBwiUAA0melXIJwACKc+untIoYaioqJUzr7oqDw==
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

2026-09-17T09:35:17.739808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095733
observed 25c111951c0fc19aceecf82e88c3d2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.722279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095733/manifest.json
observed c509c5a39ddfd6c607df40f0463ab74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.703238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095733/publication.md
observed 73a8aca69968ec6ab2c45d87306f123d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.658397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095733/publication.txt
observed 2107027da044473e799d831c3839ba19...
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.