OpenTechnical

OT-2026-000023075

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000023075) never changes.

Identity and time

Publication numberOT-2026-000023075 · never reused
Internal UUID01a0ae70-46ed-762d-a803-fa6f6bd4e2d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023075
StatusPUBLIC

Content hashes

Canonical text0048ef20ef9e20f5541f833a3c269ed4b8ac16039b1baffdc75be566b44e1afc
Markdown0a0dad61056a1b08df76e19e6d8fc028fe1787c042afd3e109c1824b299cf1af
PDF
Publication pagedfa5517407190518ac02438318dc1fcd219fd2a32a283d9e3abcd4a95067ad3a
Manifestee5694b21e3b90ac9dca56cb5aa3ac6160a0dd6003a2d9c9d665594acf872e97

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
SignaturePmBBdY08ZKac72GcUGVr+aF4ZG0iEJRkiNF2lba9IjR6urS7xCg2J5s3Bn/yamK/nAGvfdAGljkhnTjdU/6kBA==
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

2026-09-17T11:52:42.092200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023075
observed dfa5517407190518ac02438318dc1fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:42.071988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023075/manifest.json
observed ee5694b21e3b90ac9dca56cb5aa3ac61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:42.053291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023075/publication.md
observed 0a0dad61056a1b08df76e19e6d8fc028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:42.034970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023075/publication.txt
observed 0048ef20ef9e20f5541f833a3c269ed4...
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.