OpenTechnical

OT-2026-000090674

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090674) never changes.

Identity and time

Publication numberOT-2026-000090674 · never reused
Internal UUID01a0ae9c-7f30-75b4-8c00-09b61fa9e046 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090674
StatusPUBLIC

Content hashes

Canonical text35d942878d759906694305e17247f5d84412037d47d8c4ec546ef736a3e0adcc
Markdown79052e0157fce71da82bdeb8cf5f1e20ea6907caa0b9daa2d2773af94a75287b
PDF
Publication pagefaac475344aab3b92d8d657498d68c6d26be4e2c4f51d703dbf38a6fe057e9d0
Manifest95f684a63cbb0111bf5f0a9a4b1f43e1775229bfb8c909ff92c4f0a85dfaabd6

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
SignatureITlhMNR0L2zUu5tHDVDejfLRMh4DhtDwZeCbTzfRv2l6syYZ9C6lOFflC0EqbwWbyDWJxNcjKp4dZwaae9bGDg==
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

2026-09-17T09:44:52.216278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090674
observed faac475344aab3b92d8d657498d68c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.197663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090674/manifest.json
observed 95f684a63cbb0111bf5f0a9a4b1f43e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.180036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090674/publication.md
observed 79052e0157fce71da82bdeb8cf5f1e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.162063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090674/publication.txt
observed 35d942878d759906694305e17247f5d8...
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.