OpenTechnical

OT-2026-000047645

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047645) never changes.

Identity and time

Publication numberOT-2026-000047645 · never reused
Internal UUID01a0ae7f-c41e-7185-92e6-52904b6d139a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047645
StatusPUBLIC

Content hashes

Canonical texta7c8c5cf930e10a6600af25319c1c6ba8f1dcadeea0033145c27d6d87efab42d
Markdownea466673c777708901803dbf02358fa8c1036f6b1c817a42860f3dddaa24e08f
PDF
Publication page4c62855ca9703457c2846b7fb9ab95b04795c9bf3f29f982988fc4fc2506c1c8
Manifest4871bcd9df44d61ef6a1482968c5de00f99b896498deac6209af17a1b2ee3a0b

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
SignatureLbjYINv2sRuIu3FYVrkMYslBv1nAB5f7yPvhdHTTcjhkZrQKf4LW2vrUaXNFnQ/4K8bsnuNs8/mUOyRgeIwBDA==
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

2026-09-17T11:05:28.630238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047645
observed 4c62855ca9703457c2846b7fb9ab95b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.610025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047645/manifest.json
observed 4871bcd9df44d61ef6a1482968c5de00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.592610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047645/publication.md
observed ea466673c777708901803dbf02358fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.574388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047645/publication.txt
observed a7c8c5cf930e10a6600af25319c1c6ba...
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.