OpenTechnical

OT-2026-000064890

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000064890) never changes.

Identity and time

Publication numberOT-2026-000064890 · never reused
Internal UUID01a0ae8d-debd-7188-9aa7-62b7149b020f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064890
StatusPUBLIC

Content hashes

Canonical text8c3d198db55f42fe8d9679d47a67f5cefa5cc813f0d534e7be9441753182c8dc
Markdown39853f159e555d69d0a7181f0f88e062a12114154a8af7847ebb6fd79c1ba51b
PDF
Publication pagef4ba8bc43bcddde28b107c5101f6a8d947920f201502bd78cdaa290c710a937c
Manifest7c79bcc7183f62762d9aed47e6044b83bbcdbff1b623d41c99cd81343cc67caa

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
Signature8f2lXDU0SB7uko8O2ktLwR471RaQ1EJ7thMcMWOynrrRs6rZ12JwxHCRxucHN9Ot9gLB7DOFkncbW3szD/E1Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:49.035787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064890
observed f4ba8bc43bcddde28b107c5101f6a8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.017165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064890/manifest.json
observed 7c79bcc7183f62762d9aed47e6044b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.998965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064890/publication.md
observed 39853f159e555d69d0a7181f0f88e062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.980635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064890/publication.txt
observed 8c3d198db55f42fe8d9679d47a67f5ce...
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.