OpenTechnical

OT-2026-000043682

Publication integrity record

Four pad foam vacuum 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-2026-000043682) never changes.

Identity and time

Publication numberOT-2026-000043682 · never reused
Internal UUID01a0ae7b-92d0-79e7-bac7-728ec6997555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043682
StatusPUBLIC

Content hashes

Canonical text8d81b739b3b70dec1d17439e7a93119512f909091c1dcd63d93a4dd5b1893b3c
Markdown4450e8afc30d962e7e9d63576264342df309aad2f28605b06fb504863b07cf05
PDF
Publication page24129d7a76ed657cb261fa5293496a8349bcb9b638c11bc54d2c00aacba30531
Manifest570679392d66c635ced25ea1cf549d520406f2b82dcebfe01bd8b7cecd9cc378

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
SignatureH1hz3lE1EVWQ0MHpQzONIvPpO3r3PjDCvBarzf4BBjmBYdE+0gi0qY710ivcO6FKIHbIBQkWK2M3wte4OeqlBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:10.386690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043682
observed 24129d7a76ed657cb261fa5293496a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.369133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043682/manifest.json
observed 570679392d66c635ced25ea1cf549d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.349428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043682/publication.md
observed 4450e8afc30d962e7e9d63576264342d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.330792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043682/publication.txt
observed 8d81b739b3b70dec1d17439e7a931195...
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.