OpenTechnical

OT-2026-000018549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three 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-2026-000018549) never changes.

Identity and time

Publication numberOT-2026-000018549 · never reused
Internal UUID01a0ae6e-b48a-7833-8fc3-3370ffd79d66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018549
StatusPUBLIC

Content hashes

Canonical text0ec4089bcf6fd560dfec118c72403c5dc97f45027bf792cd824887f8e4fb48dc
Markdown30f53bc922ecbfa96675ee67be32500b37fb918bc226dca8ec6a5b29a72b6298
PDF
Publication pagebe51dec3e0360961cdc8f805e76d141d761a8848a58b59245c22d6637668dedf
Manifesta61c54941eb34a8e74456fb8954c7c84cbc89315d417065d278e597ee6c3aa62

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
SignatureWCz/orQehcOms4nbLl2Ii4HDdW3zjS6lNQbhkuVMoA9lfSbB0j+udqctD5jRSgGJ/yktqqH42xy0FKxA61LgAg==
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

2026-09-17T12:01:19.784877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018549
observed be51dec3e0360961cdc8f805e76d141d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.768934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018549/manifest.json
observed a61c54941eb34a8e74456fb8954c7c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.750951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018549/publication.md
observed 30f53bc922ecbfa96675ee67be32500b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.733646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018549/publication.txt
observed 0ec4089bcf6fd560dfec118c72403c5d...
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.