OpenTechnical

OT-2026-000019160

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000019160) never changes.

Identity and time

Publication numberOT-2026-000019160 · never reused
Internal UUID01a0ae6e-f391-7b3a-ac94-b2cf225873c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019160
StatusPUBLIC

Content hashes

Canonical text9f1f4c0309c75a701198ff0f71dadbf13b1336cca021588d6f77d5465a4ca48c
Markdown9fd0a95d461a1a0555cb48a45383d494f447590d275eeaa38490a9061753f711
PDF
Publication pageb07b912f33aba70c485da06dc7be6d21c6230c96d77a3d98c60834a18c44fec2
Manifest9ffe5a120227d9b448cf2200d8c6418362e264ece1bfcdebaa75ab294e3d9513

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
SignatureMKwUDXuGp/iIbQ4fjEmECHCRvy8LJYuxBta8sUrNxJV3ty25XwIhGCkoKBdNhJUZTQWkCwnbIJ9oIQ5wT+tJDw==
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

2026-09-17T11:58:28.227143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019160
observed b07b912f33aba70c485da06dc7be6d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.209159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019160/manifest.json
observed 9ffe5a120227d9b448cf2200d8c64183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.191207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019160/publication.md
observed 9fd0a95d461a1a0555cb48a45383d494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.175172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019160/publication.txt
observed 9f1f4c0309c75a701198ff0f71dadbf1...
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.