OpenTechnical

OT-2026-000027054

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000027054) never changes.

Identity and time

Publication numberOT-2026-000027054 · never reused
Internal UUID01a0ae72-3453-7b8c-ba7a-cb988cfe888e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027054
StatusPUBLIC

Content hashes

Canonical textdf5a5e9dea97ce99bda9d781a83861abfeaff06e4e81dc0200fe5018fda01826
Markdownffde96696a962cdfac715c56f0459e577ed063a31e51f5051e1ef9a5dcfe3290
PDF
Publication page544c244dd9520d6cf8cfa194a29127d96dd2f254e983ac6907ace7cdf915eab7
Manifest9742ba8d90535449103c8a19de27a69920732614a081bdb462cb5bcec1ff6d49

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
SignatureH/uWMK9kiBE8YxbwSBDufUGy5dEGBSscPgmGV6NTgcgT2ldLP2D3cHTmfqGeFK4C2QgRI3BqhYOTpGwpgDHzAA==
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

2026-09-17T11:43:48.752304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027054
observed 544c244dd9520d6cf8cfa194a29127d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.735035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027054/manifest.json
observed 9742ba8d90535449103c8a19de27a699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.713900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027054/publication.md
observed ffde96696a962cdfac715c56f0459e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.694465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027054/publication.txt
observed df5a5e9dea97ce99bda9d781a83861ab...
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.