OpenTechnical

OT-2026-000039887

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000039887) never changes.

Identity and time

Publication numberOT-2026-000039887 · never reused
Internal UUID01a0ae78-d8d6-7cce-a813-ecd57625c632 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039887
StatusPUBLIC

Content hashes

Canonical text47f496b4f842c14539ec1a3506191a2c9b1db5d633bfaf11c25baec7c19dc65c
Markdown1ccc2e75198af09f42fccedbdad9163e023d56237165b5c282f8cd054e6924be
PDF
Publication pagea21665658b2efb1a38c1599c947d59e04f68f20ccb99ed08379bae61def89171
Manifestd14dcdf491ffd5301da0ebcfce758ee2c27a6f168650a47065b0b8db5195f911

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
SignatureMpf7b24eHXuirYVopNAH6o3c8+0wHtE30zIwcURCNOsWTW6kedEpEkzyVXbOBKhaFMH+/FG1FDpF+WBvL84gAg==
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

2026-09-17T11:20:10.404943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039887
observed a21665658b2efb1a38c1599c947d59e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.387082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039887/manifest.json
observed d14dcdf491ffd5301da0ebcfce758ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.368980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039887/publication.md
observed 1ccc2e75198af09f42fccedbdad9163e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.344663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039887/publication.txt
observed 47f496b4f842c14539ec1a3506191a2c...
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.