OpenTechnical

OT-2026-000005631

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, sustained blow off 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-2026-000005631) never changes.

Identity and time

Publication numberOT-2026-000005631 · never reused
Internal UUID01a0a93f-9d2f-77fc-a98d-4fef11a63a77 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:13.649764Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005631
StatusPUBLIC

Content hashes

Canonical text174a5ca1dfe1589e553d23f70736e994aa2cd6408cbded699016a1016949fda4
Markdowne15e5c8dbebaa6e91fc08b114a642d3e46ad6a11e48904959b0c2a3d77adda1e
PDF
Publication pagea89d3b3f44ccab6984c1a1ec5f7b814837bfbb5c1473d388f236222814d479e7
Manifest069b14c9c9ccdcf3455b8f74e7c35c841dec70f32b2f5558b8bee7b736fdbf99

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
SignaturedCgrLwHX8aHyBpoa46wsztNj0lCQT6xJ+OuugGtGCciCb/UDw7JGKlJlC1CWcGtIHC/T1Oywh+7XqIMizGpXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:18.673760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005631
observed a89d3b3f44ccab6984c1a1ec5f7b8148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.659283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005631/manifest.json
observed 069b14c9c9ccdcf3455b8f74e7c35c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.645648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005631/publication.md
observed e15e5c8dbebaa6e91fc08b114a642d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.631410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005631/publication.txt
observed 174a5ca1dfe1589e553d23f70736e994...
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.