OpenTechnical

OT-2026-000072945

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line 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-2026-000072945) never changes.

Identity and time

Publication numberOT-2026-000072945 · never reused
Internal UUID01a0ae92-c815-71c4-a61a-15d55c72b2ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072945
StatusPUBLIC

Content hashes

Canonical text994ccc3c261001e73f57cc7295e58f2ee2699c099e5aaed70fdbd312d8539d68
Markdown5467e7a496d9fce7a8be96fe8f6ce47b4718cb2c9657484c81ca655c64c67254
PDF
Publication page082ef21793fe0a1f93a85eae993a088895f5815d1d109a957b24b0c410714a4b
Manifest1e2929c4c5bd5ddfc9bfdb79e4876b05654eca7b6a522251c39169f8c448f6cf

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
Signature47ARyGzHjSx6N08vdRX4EIskpDye7eJ45Wq0SRJ8GdAWTGzlLYWeHZk2LAAUvDve7+TrC6cZfHhGnAgqhkRQCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:51.995975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072945
observed 082ef21793fe0a1f93a85eae993a0888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.979019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072945/manifest.json
observed 1e2929c4c5bd5ddfc9bfdb79e4876b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.962212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072945/publication.md
observed 5467e7a496d9fce7a8be96fe8f6ce47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.946042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072945/publication.txt
observed 994ccc3c261001e73f57cc7295e58f2e...
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.