OpenTechnical

OT-2026-000016680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000016680) never changes.

Identity and time

Publication numberOT-2026-000016680 · never reused
Internal UUID01a0ae6e-5918-7bfe-a97b-89d28c11b919 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016680
StatusPUBLIC

Content hashes

Canonical text602bc8939fea6a9ccb36f2376ddc7485007962a2fff17790075ec822275c4589
Markdown1d77875e4a2ca1dfc4454c6064dacab7bd4d647ca29f786bd77fe7781bcb99fd
PDF
Publication page9ba4f571298115c12e3392ccae915b8b148132b3252f6f65e767e7d19cbc53bc
Manifesta0d3c6193546f932eb3be86edb0cfe2efd44a59e7162299d28d627476c634508

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
SignatureyOymVVOYpmCR3pgvLMkRBEDRI24q0wxlcEDuyQ6j3ftRq1YA6Xvk8bYGhOquQM6YuuT6GJdICfVlKgxcIMg3AQ==
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

2026-09-17T12:02:53.903484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016680
observed 9ba4f571298115c12e3392ccae915b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.888407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016680/manifest.json
observed a0d3c6193546f932eb3be86edb0cfe2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.872559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016680/publication.md
observed 1d77875e4a2ca1dfc4454c6064dacab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.855911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016680/publication.txt
observed 602bc8939fea6a9ccb36f2376ddc7485...
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.