OpenTechnical

OT-2026-000078688

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000078688) never changes.

Identity and time

Publication numberOT-2026-000078688 · never reused
Internal UUID01a0ae95-ccbb-710c-86e9-06c9087546a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078688
StatusPUBLIC

Content hashes

Canonical textc4fced9b0efa8bb6dd469e28cde4f0fca2d83b54db1216842ea21ccfb0e1fc51
Markdownd566e1d7c15d29fdc3284281b2eea60f76c8a93cdbe712685c0f2117c1809a81
PDF
Publication page01d46eb989fdf4e0a21f142890a48edb05836d02ecb47ec267360798a05ed943
Manifest55c16aa0854e3e5e9a5dba66539425c7a3fd4c3919afac4df38c77297d150630

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
Signature2coq55xMWPwFBG2Z/mQ6L5zKThxVT+PzAPDZjNljFwI8hc7WMVKngUq9yvNlG0YUNeLYDNJG+nC55Hom/RbEDg==
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

2026-09-17T10:05:28.023718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078688
observed 01d46eb989fdf4e0a21f142890a48edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.004557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078688/manifest.json
observed 55c16aa0854e3e5e9a5dba66539425c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.987980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078688/publication.md
observed d566e1d7c15d29fdc3284281b2eea60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.969130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078688/publication.txt
observed c4fced9b0efa8bb6dd469e28cde4f0fc...
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.