OpenTechnical

OT-2026-000014118

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000014118) never changes.

Identity and time

Publication numberOT-2026-000014118 · never reused
Internal UUID01a0ae6d-b278-7808-bebe-cf47ec7cf9f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014118
StatusPUBLIC

Content hashes

Canonical text95259e8a4e1c588e3e1e13f02f2f60f7aaca5e451b97e8112d4422889d5d28ca
Markdown16b1dcbd3bf549580a55bf36b41ce99ebd00c3804ce0447cedf3cb5cef369d45
PDF
Publication page3a444d2a5dfca9b81d0e38c473cdd3296fb0cbdae83ecf1714b21e9d31b9a367
Manifest1e8df5f96e54ba74287cc4044471a5645f48e7d9e41dc3a37141fed1c488250a

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
SignaturexXSb7zClJxsW4SdGhBj6fo4D+9PllH/5ja+G5d+y1taCK3IhFv9gaS0Z3PD5E9Q7HPcrSkV4VRhMAm9OPRzrDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:11.187124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014118
observed 3a444d2a5dfca9b81d0e38c473cdd329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.165546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014118/manifest.json
observed 1e8df5f96e54ba74287cc4044471a564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.145867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014118/publication.md
observed 16b1dcbd3bf549580a55bf36b41ce99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.126875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014118/publication.txt
observed 95259e8a4e1c588e3e1e13f02f2f60f7...
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.