OpenTechnical

OT-2026-000014739

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000014739) never changes.

Identity and time

Publication numberOT-2026-000014739 · never reused
Internal UUID01a0ae6d-d093-79fb-b364-d358580242c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014739
StatusPUBLIC

Content hashes

Canonical text8a225190413511b1c7ce9798da8a7dcd07940101aee8ab073a8ee714006eadbb
Markdown3f42edac57fc2541310c8e9fa9f8f2e077d029ed18dd950a4cfd4c57a7ebebe9
PDF
Publication pagec3ef5c441dbafe66783423a22b17831d5e7320638d32c45d4fba3f30595cbbe5
Manifest05fde10964222c363df3c384a7c72ae8b3e69f36908792ea73a24f50b951a14a

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
SignatureGAae2yJvbfgJ1CQLWD/eCUValw3ZIumV/nA3pQ4KkicwXrw9WzCTF1+v0rmPGfngYs9+mP267rYl0YnktZ0OBg==
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

2026-09-17T12:06:36.909755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014739
observed c3ef5c441dbafe66783423a22b17831d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.890839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014739/manifest.json
observed 05fde10964222c363df3c384a7c72ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.872575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014739/publication.md
observed 3f42edac57fc2541310c8e9fa9f8f2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.853298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014739/publication.txt
observed 8a225190413511b1c7ce9798da8a7dcd...
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.