OpenTechnical

OT-2026-000063725

Publication integrity record

Three cup 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-2026-000063725) never changes.

Identity and time

Publication numberOT-2026-000063725 · never reused
Internal UUID01a0ae8c-f946-7261-8f59-b9cd1366cab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063725
StatusPUBLIC

Content hashes

Canonical text4382cbf5ae66289dd418f394d767680d589d26eebab54119ec7ea4507eebcede
Markdown95f211afb142e880f92259bb495b5d81e7e1726562b5803576610993266ea277
PDF
Publication page5c141785fc9664fe95f684b69c110188ac5d8376172e6e4b954b41fe8e57f0fc
Manifest54928d6eaa42747a77dc583f22019610a198279a2d6c8013b4aac4f69089086f

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
Signature73AAJwpid5cQZxVmj2hDjmuv1+DOTF2bVDKcHYRzis5W8/GZcjLDsuRuZAEa4RvSh07sbgfucEvoo58NeCBsBA==
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

2026-09-17T10:37:51.186127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063725
observed 5c141785fc9664fe95f684b69c110188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.167446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063725/manifest.json
observed 54928d6eaa42747a77dc583f22019610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.149878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063725/publication.md
observed 95f211afb142e880f92259bb495b5d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.133911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063725/publication.txt
observed 4382cbf5ae66289dd418f394d767680d...
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.