OpenTechnical

OT-2026-000043323

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000043323) never changes.

Identity and time

Publication numberOT-2026-000043323 · never reused
Internal UUID01a0ae7b-327d-7c98-9192-4cbfae820afa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043323
StatusPUBLIC

Content hashes

Canonical text52c40d781f09028c29e2a5b1c82f96603ad3bb73b466723139c350714caa7d78
Markdown65fc4f2b74a4d9a5869d2d89b5db3aabf382beac292df9355ae68e2220702235
PDF
Publication page8ae67221b517142bd130ca3bfece321f109294e29954532fac60ca71788dcbcd
Manifest9f557c14b24e63deb7d4c351e07a86390fd7d6759cdbf275d98ee4d554f5856b

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
Signature3ky9YsMxyrvXAYrC9lEGPeX+iWjBXKL1yV4Uz9YFkpWPNRBOqqB8z+io4FD88zi8N1QHDAQbh8ND5FmSYiniDA==
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

2026-09-17T11:13:49.737014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043323
observed 8ae67221b517142bd130ca3bfece321f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.718391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043323/manifest.json
observed 9f557c14b24e63deb7d4c351e07a8639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.698703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043323/publication.md
observed 65fc4f2b74a4d9a5869d2d89b5db3aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.680884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043323/publication.txt
observed 52c40d781f09028c29e2a5b1c82f9660...
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.