OpenTechnical

OT-2026-000039302

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000039302) never changes.

Identity and time

Publication numberOT-2026-000039302 · never reused
Internal UUID01a0ae78-9674-7d2b-8046-6b690ac488d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039302
StatusPUBLIC

Content hashes

Canonical textcf3976ab3b0dbcffcbdd8cd9464e98dac8caeb3960895d1589be977e23203256
Markdown3064c10a30e313352375faa86ddc90aed5e8355afe3d03207e4194f30e6e2ad6
PDF
Publication page4986b8cd39bcdd18c4bed690d838e935d42d377aa996da36ade005d76f8c251e
Manifest6fb93cd62f25bc864be0d84969c8f8edcd6f17bce3f6441febf3b726d7496825

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
SignatureXddviy6bW7eLdpmB4LbmZOMGo5QJp0pVDINAwlAmGS2ZJvK7zYJSTQ1X6Y6hb7U2s5WUikKOeBtvTz7rEyS1Cg==
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

2026-09-17T11:20:53.178023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039302
observed 4986b8cd39bcdd18c4bed690d838e935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.159037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039302/manifest.json
observed 6fb93cd62f25bc864be0d84969c8f8ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.141826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039302/publication.md
observed 3064c10a30e313352375faa86ddc90ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.124474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039302/publication.txt
observed cf3976ab3b0dbcffcbdd8cd9464e98da...
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.