OpenTechnical

OT-2026-000018153

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000018153) never changes.

Identity and time

Publication numberOT-2026-000018153 · never reused
Internal UUID01a0ae6e-b488-78ef-8d09-a64279e6d0fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018153
StatusPUBLIC

Content hashes

Canonical textce6733fea8a771aba8d874eda2fc3cc0d32aaa2ff57afb2db3e7335267a4c91b
Markdownaa7dba9221c784535b67bf81c5f71741b349603559cf09a5ee5a82b6abf41217
PDF
Publication pagedcc4f42c32458d8cc8e90479f50c49cb34a98b0b9c86aabe9fb2a34d90eed9bb
Manifestca31e1e5fa2b56d3d33324a83574da927cfaa587fa5f8a98023dfe7e84d27c77

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
Signaturev9LHmWGgAYdbmMCekGxqpd9YaoLj0rL9vlevPuOgoVrnHEsO0+0RxWXzNryiRbdNZ9/p8EwRMShOiXYLZLBmDw==
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

2026-09-17T11:59:54.250907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018153
observed dcc4f42c32458d8cc8e90479f50c49cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.233133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018153/manifest.json
observed ca31e1e5fa2b56d3d33324a83574da92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.215124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018153/publication.md
observed aa7dba9221c784535b67bf81c5f71741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.196906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018153/publication.txt
observed ce6733fea8a771aba8d874eda2fc3cc0...
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.