OpenTechnical

OT-2026-000027880

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000027880) never changes.

Identity and time

Publication numberOT-2026-000027880 · never reused
Internal UUID01a0ae72-a4a5-7b30-bb28-76bc1e3cb5a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027880
StatusPUBLIC

Content hashes

Canonical text13edde94bfeb665d18c97ecf5678bb8b2cdaabf1a5b3a902aaf7714f98bb73e2
Markdown6921b1c22e43d1f2f5d4e5e6f4d1592ccc2c0399e738e208aa26a7d560c9403e
PDF
Publication page3b32c0348931e2c115842bdf0193848b6af9a115d8d13b27233be8fea3085a14
Manifest2cd6e00bc3d8635fa73319d0c0b6d33273ecbf951ba4b1fdace0e49c4c86771a

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
Signature2Zq50n4IRItCwkS1gSxWn5JmE7utfP3zEuqwPi8jpAsr4ldmGBPZ+jENVXwS26FHVHFYLZlvbdCyiekvI1/tBA==
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

2026-09-17T11:42:02.500199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027880
observed 3b32c0348931e2c115842bdf0193848b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.481607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027880/manifest.json
observed 2cd6e00bc3d8635fa73319d0c0b6d332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.461610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027880/publication.md
observed 6921b1c22e43d1f2f5d4e5e6f4d1592c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.443334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027880/publication.txt
observed 13edde94bfeb665d18c97ecf5678bb8b...
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.