OpenTechnical

OT-2026-000009568

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off after 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-2026-000009568) never changes.

Identity and time

Publication numberOT-2026-000009568 · never reused
Internal UUID01a0ae6b-7563-705d-8e51-6c560ff4adc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009568
StatusPUBLIC

Content hashes

Canonical textaf4ceed0ce7218e1a5c071019c7729d2f86ae0d4fa7791d87c915d49c10deca7
Markdown845a5488c3beee4d0889ead51efe6c6e6ce9dfe44f757d4a2a10f30785ceb687
PDF
Publication pageb569cfc2f1bc7fc82a47c9db01275648cad1010b8ac772f66aba132bd13b899e
Manifest32d835b50cfc86a783fb83cf027a406caaff59e986a5508a62340230529b8cc1

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
Signature1+OXKhS8/yqoVlYTn/UUEVtdF60Ref2dKUNDOBdk0LmcJxrEmru6X6F8EsVPFT5PHsYUKzGVOgwOj9OlN4fUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:00.155643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009568
observed b569cfc2f1bc7fc82a47c9db01275648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.135929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009568/manifest.json
observed 32d835b50cfc86a783fb83cf027a406c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.094314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009568/publication.md
observed 845a5488c3beee4d0889ead51efe6c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.052619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009568/publication.txt
observed af4ceed0ce7218e1a5c071019c7729d2...
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.