OpenTechnical

OT-2026-000010306

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000010306) never changes.

Identity and time

Publication numberOT-2026-000010306 · never reused
Internal UUID01a0ae6b-cb7b-7a78-964c-d958bcb42567 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010306
StatusPUBLIC

Content hashes

Canonical texta81df87e707427808f211d78c281a7cf2eb530efbbcd4a55925cef1d0d9dd163
Markdowna12bc6d2b97e28110f1f5b683db9cb3cd1cc12da211959728fe1dc30b12fcbd0
PDF
Publication pagebdc12135c2a3c182554bb3f75ef3633a893783496518c0520a60f001108a80ec
Manifest480521998b33d7dbf28d88ad1617de60ad7b336bc7e1fc66b87a2ebbfcdd3f02

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
SignaturetBuFhkju1mGe4jWIRkAxOQywUm7AMmxl51BDsRWcdfNDV87sOrkii/RCWGiP+ghwymUGz/WG8ABNSck48frWCw==
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

2026-09-17T12:16:32.377564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010306
observed bdc12135c2a3c182554bb3f75ef3633a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.360451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010306/manifest.json
observed 480521998b33d7dbf28d88ad1617de60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.342408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010306/publication.md
observed a12bc6d2b97e28110f1f5b683db9cb3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.322559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010306/publication.txt
observed a81df87e707427808f211d78c281a7cf...
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.