OpenTechnical

OT-2026-000017116

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000017116) never changes.

Identity and time

Publication numberOT-2026-000017116 · never reused
Internal UUID01a0ae6e-76c7-73a9-98e7-2683a01a11c2 · 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-2026-000017116
StatusPUBLIC

Content hashes

Canonical text0a2597bc1b26f23d6a39c56ae032f103df6252527e9a5d706d9c3c1b5851448f
Markdown13edd0faf6d247ab3a5fe78a67ffdca788809c4c469a16aff4ce559a8da65d78
PDF
Publication pagebb4a0fbeb15328bf3404b4174ddf5d587f52367e5326bc2ab832fd92e36515dc
Manifest3923fc1a1708508988b7afad339c8776fe453455002a0c739ead6979dd878ae8

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
SignaturedOD2PYK3AqBklzA0/GYRJcOpf6imbNk0QduFo5ZZnwz4RJ86k81izjBJGaWxt5c5m6sCaVzPfR4LpTy3f81vBg==
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

2026-09-17T12:02:10.274329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017116
observed bb4a0fbeb15328bf3404b4174ddf5d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:10.256794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017116/manifest.json
observed 3923fc1a1708508988b7afad339c8776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:10.238331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017116/publication.md
observed 13edd0faf6d247ab3a5fe78a67ffdca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:10.221189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017116/publication.txt
observed 0a2597bc1b26f23d6a39c56ae032f103...
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.