OpenTechnical

OT-2026-000081227

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained blow-off 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-2026-000081227) never changes.

Identity and time

Publication numberOT-2026-000081227 · never reused
Internal UUID01a0ae96-f373-7778-a353-acf1bb2ebd0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081227
StatusPUBLIC

Content hashes

Canonical textbb7dd71388d177706bac3a221480c1e6f2690bd88e2f597777aa2496ee25a8a1
Markdown2e3db54537f69e8812d58441e796fafdb4285c826829ab886ea7e088c3098ed1
PDF
Publication page5e26ea309ced08e297ec8d3d6696e47e40b58c3e6d6ae7f3c5c566a016235e65
Manifestc5f80c28ad1bd5ad8b627fd7e8b1b6cbf9c3afa377a25164fc0e688987308c2d

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
Signature/miiUrlK0E1oIsFFr/C4DA8DogVrUs5lPXg24OeycQ6ZRNTQoVFyNYjbRpW0v2+7x3TOtD/R/D0nhgvvTL5ODA==
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

2026-09-17T10:01:18.743656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081227
observed 5e26ea309ced08e297ec8d3d6696e47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.724715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081227/manifest.json
observed c5f80c28ad1bd5ad8b627fd7e8b1b6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.706156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081227/publication.md
observed 2e3db54537f69e8812d58441e796fafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.687810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081227/publication.txt
observed bb7dd71388d177706bac3a221480c1e6...
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.