OpenTechnical

OT-2026-000017158

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017158) never changes.

Identity and time

Publication numberOT-2026-000017158 · never reused
Internal UUID01a0ae6e-76c7-7d20-9c92-dadf5a459faf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017158
StatusPUBLIC

Content hashes

Canonical text7f23c5b233b6c780356b92460ecc3f2526b6db7d398dd60da1b863876851149c
Markdown98e2dabf3c18d647b28ed9b60ec5b3440556527fc7daa161a5a4df7d047b3081
PDF
Publication pageb8f166bfb469d3b7a620f37eff56ee17aaf549e8d19d7bdec9f61504d5de6a83
Manifest10bb8d5ec00f8070fe16f4378e81bc51b301102635cb863920933f44b265ad60

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
Signaturet5QG+6HZvBC8HgWRTKVP9dnUJcWTuqGMTW4DaBnJ7Esbl7DmjEBSK2P/0zlDyurhONMiPno4JuN127lBkBSoDw==
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

2026-09-17T12:02:13.221762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017158
observed b8f166bfb469d3b7a620f37eff56ee17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.203902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017158/manifest.json
observed 10bb8d5ec00f8070fe16f4378e81bc51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.187452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017158/publication.md
observed 98e2dabf3c18d647b28ed9b60ec5b344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.170841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017158/publication.txt
observed 7f23c5b233b6c780356b92460ecc3f25...
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.