OpenTechnical

OT-2026-000067633

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000067633) never changes.

Identity and time

Publication numberOT-2026-000067633 · never reused
Internal UUID01a0ae8f-6bda-7a60-8ecf-09b11f942af5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067633
StatusPUBLIC

Content hashes

Canonical text8c9455a4c3a16a31cf14a1bbc4bc6728c83e9a3e1e7f7b912e075e71c628b3f8
Markdown6a8e526ddfd05c7df0748bcb28e536bab0c24afe8a7df16788e8d6c654b36d45
PDF
Publication pageb1f631b8bc20c89119c7b813cbf175b84a75f6e9a05d46047479c48ffae43788
Manifesta3e6b8f3e71d383434e40df854032bda5ba14bc86a9990f619058cc48d4326ce

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
Signature+WYRJArTMT8ZX7M0i0o8we3o8YUtdBGFes0Oz6Q94HPgUP+VsRG/RgjDkOBH65pachZrKigZNlQt3R6UQUTKDw==
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

2026-09-17T10:31:57.501911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067633
observed b1f631b8bc20c89119c7b813cbf175b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.484616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067633/manifest.json
observed a3e6b8f3e71d383434e40df854032bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.466381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067633/publication.md
observed 6a8e526ddfd05c7df0748bcb28e536ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.445275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067633/publication.txt
observed 8c9455a4c3a16a31cf14a1bbc4bc6728...
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.