OpenTechnical

OT-2026-000048142

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048142) never changes.

Identity and time

Publication numberOT-2026-000048142 · never reused
Internal UUID01a0ae80-4de1-7912-bdaa-5a3d22addebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048142
StatusPUBLIC

Content hashes

Canonical text6a5a850793b88603c791a703256a710d201f1d2aad63abd5eade4a236d7ce2b9
Markdowna74a7736fe2703123043ee40e24da48622d57ad668f192dcdf952925c7c7d315
PDF
Publication pageb40cada406066f6d13c396ca777ef05155f47585d6f82c00c72773b91de375de
Manifestc9eabd787a85913bd097c27206f1a27fcff268b198da214c524325dc841d8ef9

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
Signature3JI4sB7+GxIqG55lyEoBXtkwfU3E9br0uwvyPxFKJeG6QrKeG5+CDNyJzMG/iPhIBOHNTCKpVBU1fzvK7QkeBg==
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

2026-09-17T11:04:39.913438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048142
observed b40cada406066f6d13c396ca777ef051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.895888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048142/manifest.json
observed c9eabd787a85913bd097c27206f1a27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.878479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048142/publication.md
observed a74a7736fe2703123043ee40e24da486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.858679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048142/publication.txt
observed 6a5a850793b88603c791a703256a710d...
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.