OpenTechnical

OT-2026-000006797

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three stage ejector

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-2026-000006797) never changes.

Identity and time

Publication numberOT-2026-000006797 · never reused
Internal UUID01a0a967-b8ae-7250-b83c-23141f95895f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:02.128958Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006797
StatusPUBLIC

Content hashes

Canonical texte88e64123e22b5aeb8e0341b319f1f82b83194dfa189974a91b43415641ef6eb
Markdownae1ce1d74b8956ba74fb10dd69650e1d52093e3f54d318aaa1d9ca15d425bafc
PDF
Publication pagecfce4be1ff52b1bee9fc0dc5c4a79d8feb42e7eb52b5649e3303ab01a9e822b4
Manifest0f9185df5827fa9bcb2e2b4be4e551b0a67fc4395cb34874cd6b0401c2842ebc

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
SignaturefHcak22zq/RqZiEMl+kexRRgdWdAzrnWVEFRc7cuTcrw3kkbxsnLV3NHh+AXRgGjDVvNJkGvcMZ2BTNoHe4VBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:05.254963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006797
observed cfce4be1ff52b1bee9fc0dc5c4a79d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.241491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006797/manifest.json
observed 0f9185df5827fa9bcb2e2b4be4e551b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.228616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006797/publication.md
observed ae1ce1d74b8956ba74fb10dd69650e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.215994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006797/publication.txt
observed e88e64123e22b5aeb8e0341b319f1f82...
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.