OpenTechnical

OT-2026-000012712

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000012712) never changes.

Identity and time

Publication numberOT-2026-000012712 · never reused
Internal UUID01a0ae6d-5562-7174-83c1-56dfeefd67a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012712
StatusPUBLIC

Content hashes

Canonical text7e771a92d761d8c66c1ca48763f58d980afd4be3c8e5206a79f2e53f4bc76181
Markdown4e52d155a55310bcdeb4314edf495b0f4b6c716279e6b7f6925702e26192904d
PDF
Publication pagea46a43843521c0f78d21fb1714294a0521de3dc91c6d2fd7a6b92269648d0b37
Manifest39733a7ebffbce6f10da58802ad4c6227dd9e9ba2bc66ee162fed8e51685b6fe

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
Signature82kHWy3YoTyC7kvAGQFFN8rPShYisd9/1bHZiCpvbD0+O4qTuxwLzZg+tIDYaBzlexk9U4cDGLmWfVF1xHFJCA==
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

2026-09-17T12:10:22.494467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012712
observed a46a43843521c0f78d21fb1714294a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.475815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012712/manifest.json
observed 39733a7ebffbce6f10da58802ad4c622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.454742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012712/publication.md
observed 4e52d155a55310bcdeb4314edf495b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:22.433803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012712/publication.txt
observed 7e771a92d761d8c66c1ca48763f58d98...
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.