OpenTechnical

OT-2026-000016989

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000016989) never changes.

Identity and time

Publication numberOT-2026-000016989 · never reused
Internal UUID01a0ae6e-591a-7199-a550-4c17fd3f26fa · 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-2026-000016989
StatusPUBLIC

Content hashes

Canonical textb4e79ab501147acb92aa09dc286e80a6dd9c38eedc20870e62022dbc4b30e1e4
Markdown9dc6a6828d04ee52b52a0bef5b13e62b8d0e65b32dd2588dc143eeb3971366dc
PDF
Publication pagede05a4512f1d7b09c6ae456124f4e9e3dc049839b726dad9cf1a72e18aeaf772
Manifestea6e85d370081a96ec61b846d75ab5930c43e791538047480d14bd6df36c3075

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
SignaturegoAmcz90YYYwrSgqaEBzHIqAYTnJYAMkm/4q5JskwatquzLx0/dMjBdZVUV9tX3lYY0TAdNbUgnjkUKQrzz8DA==
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

2026-09-17T12:03:23.666865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016989
observed de05a4512f1d7b09c6ae456124f4e9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.649872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016989/manifest.json
observed ea6e85d370081a96ec61b846d75ab593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.633250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016989/publication.md
observed 9dc6a6828d04ee52b52a0bef5b13e62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.617240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016989/publication.txt
observed b4e79ab501147acb92aa09dc286e80a6...
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.