OpenTechnical

OT-2026-000016696

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000016696) never changes.

Identity and time

Publication numberOT-2026-000016696 · never reused
Internal UUID01a0ae6e-5918-74d4-9b9b-1d89353a1378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016696
StatusPUBLIC

Content hashes

Canonical text60e6306b79c67b65a50f711b977f043bec56ad6f461ec819b65f20a16f342ab3
Markdown2c825e1f5878e6339349ca506aace5c642ca87df4ad2993b82412ec04bca9fcb
PDF
Publication pageaad35b6c17aec43703db1cd32d163cdee72b1d4a4000851af9558ce274b0d2c4
Manifest7e5cda451e94f9ae02a1cfb8b3d7eecfbef5cce841de8620948f4a39b4d04bbc

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
Signature4hT3gpwAoO5Tp821xD10ScbLPMA3r4hm+9pgZ/T1sPob3MUs+d/d2jYZXoR4H5ANayb5n/1QBkMZNVvhLu8tBA==
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

2026-09-17T12:02:55.145417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016696
observed aad35b6c17aec43703db1cd32d163cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.126702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016696/manifest.json
observed 7e5cda451e94f9ae02a1cfb8b3d7eecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.109889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016696/publication.md
observed 2c825e1f5878e6339349ca506aace5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.092084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016696/publication.txt
observed 60e6306b79c67b65a50f711b977f043b...
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.