OpenTechnical

OT-2026-000068894

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000068894) never changes.

Identity and time

Publication numberOT-2026-000068894 · never reused
Internal UUID01a0ae90-6dcc-7c9f-9544-6124d620dc8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068894
StatusPUBLIC

Content hashes

Canonical textb4b8755175556afeaea99705f531071f7b20b9b7cc56b35f98b809c1b3bf85ef
Markdown541d967a4a3717d13ded8b9b11ff6ac07251f934ff6ae4f72512630af4fc622a
PDF
Publication page7e6beb103e1cc81b9a5f628dd7b45478b381abbdba6bcf92dbc49f362c893622
Manifestf8606daf1e62f3a6493ff95042a324a10b344734df36137ed6c27df7faa603b6

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
SignatureXP2ckSMDW7sKv5avZI4XkMJUDwYyNcwsQFKCj4lO58co23YaCenD8pEdpMpLG2QdNsHhWOYl8Xz6kP2z7ZfvAw==
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

2026-09-17T10:28:42.774735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068894
observed 7e6beb103e1cc81b9a5f628dd7b45478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.755953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068894/manifest.json
observed f8606daf1e62f3a6493ff95042a324a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.737091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068894/publication.md
observed 541d967a4a3717d13ded8b9b11ff6ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.719686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068894/publication.txt
observed b4b8755175556afeaea99705f531071f...
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.