OpenTechnical

OT-2026-000081630

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000081630) never changes.

Identity and time

Publication numberOT-2026-000081630 · never reused
Internal UUID01a0ae97-0f72-744a-8395-207430f9ef07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081630
StatusPUBLIC

Content hashes

Canonical text19a5ce50c5c13332e1be815058c1f0d30ebe6e6dc9a127f9d5b98c99a7d5d62d
Markdown99f9680d4720f6c546530f922fd65f4c3b9675a908248943509a74385a05da24
PDF
Publication pageeed65dbe25d16bf796b69d55b3eafce4c48e97870970e3517661defaf19f52b0
Manifest7625e0a61b6a7c279e36b52fc35f9fcb5a55c55ed645751b5b4baa58e5c56f01

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
SignatureOa3RX/vleEOhLRLG/p09tvZOZGR7jNh/sFnz5UfowQbCKgMnXGqZ6hji6jZDQ3fGsZJh94XtrfhHUYV8n5VLCQ==
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

2026-09-17T09:59:40.710423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081630
observed eed65dbe25d16bf796b69d55b3eafce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.684729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081630/manifest.json
observed 7625e0a61b6a7c279e36b52fc35f9fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.666853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081630/publication.md
observed 99f9680d4720f6c546530f922fd65f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.650157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081630/publication.txt
observed 19a5ce50c5c13332e1be815058c1f0d3...
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.