OpenTechnical

OT-2026-000019049

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000019049) never changes.

Identity and time

Publication numberOT-2026-000019049 · never reused
Internal UUID01a0ae6e-d523-7b9d-ace5-021aed079f1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019049
StatusPUBLIC

Content hashes

Canonical text4b974ae621ebed7f1adadf4981ed0c2dff33ffe39a33119f54246cfaf5c96161
Markdown093c54acc614d60b19f8a2f597aecb74dfa3cfc4a9e86090e216cfd910e90de7
PDF
Publication page83670cda41201d49df5f7a2bef6d81e9498bbf68c61b6f37dd91f283e53e9572
Manifestdcdf94fefe4bbdeada07e1f8ff40ba54ce240f40f6517f12d13c81b6a10d9491

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
SignatureZlDIuqaB2Utdzxq2gpZbnLegIpHb7NBkr8Kf4FT7guQL3PXZ1RzD2PbTWFHHn5lLT8Cue7bmpXDwPUBMaOGpDw==
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

2026-09-17T11:59:44.617389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019049
observed 83670cda41201d49df5f7a2bef6d81e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.596535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019049/manifest.json
observed dcdf94fefe4bbdeada07e1f8ff40ba54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.578392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019049/publication.md
observed 093c54acc614d60b19f8a2f597aecb74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.559075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019049/publication.txt
observed 4b974ae621ebed7f1adadf4981ed0c2d...
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.