OpenTechnical

OT-2026-000040223

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000040223) never changes.

Identity and time

Publication numberOT-2026-000040223 · never reused
Internal UUID01a0ae79-26ff-705d-a18e-070558af0190 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040223
StatusPUBLIC

Content hashes

Canonical texteeb2ebbbe0269b56bec0fac601e0b6c41cac3af3e14a867ce90d8ee3ead9bd92
Markdown136d6e6d35f38e87b2712b88ef42ecb971c4c6a2849437670c69d5888f8d4b2a
PDF
Publication page309721486559ab4f5d2c299c76bfcdc1ef03fe57e53a466672bac92041a81c6b
Manifestdd080b5e567989e218697d04f244c33dd39ccc8f10e18062c006d09ecdcc2f9f

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
SignaturemcJCz7lDf80WTcUyw5lDFKlkhqRRxuiBJI3nyI2in1bJnKn2Ywjkc8TeOCHJKbIgK//2lH6B8wR/XoX3HT+HCA==
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

2026-09-17T11:19:06.587206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040223
observed 309721486559ab4f5d2c299c76bfcdc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.570979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040223/manifest.json
observed dd080b5e567989e218697d04f244c33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.555192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040223/publication.md
observed 136d6e6d35f38e87b2712b88ef42ecb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.539839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040223/publication.txt
observed eeb2ebbbe0269b56bec0fac601e0b6c4...
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.