OpenTechnical

OT-2026-000015449

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000015449) never changes.

Identity and time

Publication numberOT-2026-000015449 · never reused
Internal UUID01a0ae6d-ef4a-73bb-837a-f8fdaf930091 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015449
StatusPUBLIC

Content hashes

Canonical textc895fdee993ac92b6786e05c9a912d4e2bcbb285593dd11d5c57c87c6f8dca1f
Markdownd3987a3a65f8b5074a00ca99f454f0dfe43ac00ea96a58d04d0c0aa7acaa8ff9
PDF
Publication page952c412ff507ae1bb23db094504bc3ecc6b05ab6bec87468b34c2e41dbd8c757
Manifest9148c47c54d1d2a960a4f07af5a66ffa8d8ed55501779f29389de491aca8d8ad

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
SignatureqUAsoHEPNC7nWRTVBESjyMFbAn02acjbUcWx7RBGn0BHevtNk50TtxnAC47WACP9PFngZ+ACNDnnN6R6vdXwAA==
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

2026-09-17T12:06:11.745803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015449
observed 952c412ff507ae1bb23db094504bc3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.723249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015449/manifest.json
observed 9148c47c54d1d2a960a4f07af5a66ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.703726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015449/publication.md
observed d3987a3a65f8b5074a00ca99f454f0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.683829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015449/publication.txt
observed c895fdee993ac92b6786e05c9a912d4e...
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.