OpenTechnical

OT-2026-000020913

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000020913) never changes.

Identity and time

Publication numberOT-2026-000020913 · never reused
Internal UUID01a0ae6f-65e4-7269-9450-33740e70cdb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020913
StatusPUBLIC

Content hashes

Canonical text4cd73a67136e3d0c8a2dd37f7b230dd91724b060bc0196ea3368bd03c24d8cb4
Markdown180e757ace66fc0fc78ac0c6f6e075af0280987e2899f77bcf57c9e6de23d1cb
PDF
Publication paged8c7b6d12548308f78380e177e6d1d39874baf1ade9aec3aec0c02ea0486d2a6
Manifest28a54a01b0527be6ab7d64f2ee0c7f5eb109fdf2f34f1817c05d107b67cd4935

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
SignatureR2TPqOlpEZviUqSzFBndaTJZN+/YTf+EHzRwTsyPDIopm/Q0LTZPsNVhiBN5DNXHMdqJy3UXaS8bEngIlFMoAw==
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

2026-09-17T11:56:02.002613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020913
observed d8c7b6d12548308f78380e177e6d1d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.978267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020913/manifest.json
observed 28a54a01b0527be6ab7d64f2ee0c7f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.960457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020913/publication.md
observed 180e757ace66fc0fc78ac0c6f6e075af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.941091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020913/publication.txt
observed 4cd73a67136e3d0c8a2dd37f7b230dd9...
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.