OpenTechnical

OT-2026-000072046

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented before 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-2026-000072046) never changes.

Identity and time

Publication numberOT-2026-000072046 · never reused
Internal UUID01a0ae92-47c1-7135-a61b-8a04b2b09b34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072046
StatusPUBLIC

Content hashes

Canonical text0d99acbfbb0eb93f7077176ea9159127db9491ed789251f090bab4f0698257ac
Markdown9591d7cde3f0010c61778b1c7931ef8e96b82b25fd33ed968572a149a4daef18
PDF
Publication page702c5f01ca1ae96d67a5e88c7361042a0d8988cf05b308e61c2acf942c7376ae
Manifestf079468ba7eb1f517dcda29327980a727ddd364febaf76e0ad14f90b228f1748

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
SignatureptHlKQZ834opv/FxCkPVxsFPJwEdtZU+2rrMibv2mV7Lcaqh0v7jcMX7RdY1c1BvwcnjzwtAH/drifq30r2WDw==
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

2026-09-17T10:23:06.864935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072046
observed 702c5f01ca1ae96d67a5e88c7361042a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.847759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072046/manifest.json
observed f079468ba7eb1f517dcda29327980a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.832514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072046/publication.md
observed 9591d7cde3f0010c61778b1c7931ef8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.816237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072046/publication.txt
observed 0d99acbfbb0eb93f7077176ea9159127...
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.