OpenTechnical

OT-2026-000036438

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000036438) never changes.

Identity and time

Publication numberOT-2026-000036438 · never reused
Internal UUID01a0ae77-01d1-7355-ab74-89fe995fd168 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036438
StatusPUBLIC

Content hashes

Canonical texta64982215b8e2246e6b7fe802de2b04df5c9fcb9c2e27f76075b35a4c07ee799
Markdown8e9db0e8c99b002133ae5e943318d99a9f7ac3f88dd46f3bf187699280e1b3d7
PDF
Publication page44c59db210527474163ad65bc520b60a3865deaced02a99658550d60a454e6fc
Manifest042cbb80a3a290d6e7a64db134da693fa5f95472cd2e905f49d0394b2169812b

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
Signatureh0JFp3mLPtHDux0DR7mGHO23JuawSd0LVlbJpjf3nF5QVddTUtE2CrAfw+DJLfswVzgsdk5QuAXRvMV/G4BzCg==
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

2026-09-17T11:26:50.054222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036438
observed 44c59db210527474163ad65bc520b60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.033592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036438/manifest.json
observed 042cbb80a3a290d6e7a64db134da693f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.012964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036438/publication.md
observed 8e9db0e8c99b002133ae5e943318d99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:49.995984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036438/publication.txt
observed a64982215b8e2246e6b7fe802de2b04d...
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.