OpenTechnical

OT-2026-000012721

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000012721) never changes.

Identity and time

Publication numberOT-2026-000012721 · never reused
Internal UUID01a0ae6d-5562-7999-bff7-4691b96c4818 · 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-2026-000012721
StatusPUBLIC

Content hashes

Canonical text939b9394df5d3b1b75a2650cbc3872435ce5f0c7470cac9545bb240499d6c3b4
Markdownbfa40b69e84f66515a8a9d5a7b7a55214045a076cc352a01b11958128ce566b7
PDF
Publication page5d0c0a30379d9bf7a5285c7e0394603f88cbd155d4c119da5326a7734438a366
Manifest66afe1ec8974404e80255939909e0b791af0964ab18f5c03d111d4efbd34696c

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
SignaturetNtGKh+epw/74u/ZI9Zi7dsZ+/90duobgY7At3ynIn49UJzn/+4vvJAqE55OyM6pmuhVYa+uLjfakS9AREzODw==
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

2026-09-17T12:10:10.353587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012721
observed 5d0c0a30379d9bf7a5285c7e0394603f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.335864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012721/manifest.json
observed 66afe1ec8974404e80255939909e0b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.286080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012721/publication.md
observed bfa40b69e84f66515a8a9d5a7b7a5521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.237351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012721/publication.txt
observed 939b9394df5d3b1b75a2650cbc387243...
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.