OpenTechnical

OT-2026-000075154

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000075154) never changes.

Identity and time

Publication numberOT-2026-000075154 · never reused
Internal UUID01a0ae93-f1ff-7180-ba1a-0680d999b26c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075154
StatusPUBLIC

Content hashes

Canonical texta72b3cb83c421af19d022d05322810ccb5fa027f050e7eb557ae03431ba89f1c
Markdown887b3d0baeebcef50f724167881ba9f32d09f00f87856b0aaf221055a56ff985
PDF
Publication page5926b3484ff0af03fccbf8332db5eb5578c812eb9a2fb3eac3563c8653752bc9
Manifesta8b5026933bfc71b46dbe4092de96c98c9abf4bb5b32234085fea0996c7c7bd5

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
Signature7swh0mjZ14GnDmSEuNDQ7eRxRN31bJYInGZun4SQdQOFQmkMoUHxuhtaMZKs9iT4/jlrj0BISTLlgiatnqN+Bw==
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

2026-09-17T10:20:23.550047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075154
observed 5926b3484ff0af03fccbf8332db5eb55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.528620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075154/manifest.json
observed a8b5026933bfc71b46dbe4092de96c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.509937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075154/publication.md
observed 887b3d0baeebcef50f724167881ba9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.487887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075154/publication.txt
observed a72b3cb83c421af19d022d05322810cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.766940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075154
observed 5926b3484ff0af03fccbf8332db5eb55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.748184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075154/manifest.json
observed a8b5026933bfc71b46dbe4092de96c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.729230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075154/publication.md
observed 887b3d0baeebcef50f724167881ba9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.708427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075154/publication.txt
observed a72b3cb83c421af19d022d05322810cc...
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.