OpenTechnical

OT-2026-000032269

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000032269) never changes.

Identity and time

Publication numberOT-2026-000032269 · never reused
Internal UUID01a0ae74-f7a8-7361-a629-e7bfcab7c9ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032269
StatusPUBLIC

Content hashes

Canonical text344678ecf0d0ffa2304e6b05a27473f1c127414f743051fc75335c5b63f3a7c1
Markdown2c2f9b6d3fcd73e66ed595fcf8b81aceaf27ea58dd748a0cb0fbaf6f379531aa
PDF
Publication page6b8d40397d4c408a24c59255fafce65878e470a8035803986a674cec396f5595
Manifest53b7abda08859dbb3ab3fa4fa019ae460906589dd41fd5c671c3a25002b0e685

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
SignatureahsFTQN3rgLLeC/hRxJmev07KqJOxA1duo+8Z4qYNjehcSLS7/Husc9dDQwBEfWQtj3fJ0uoNdkueiiwx9eIBA==
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

2026-09-17T11:34:37.903014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032269
observed 6b8d40397d4c408a24c59255fafce658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.885383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032269/manifest.json
observed 53b7abda08859dbb3ab3fa4fa019ae46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.867966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032269/publication.md
observed 2c2f9b6d3fcd73e66ed595fcf8b81ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.845596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032269/publication.txt
observed 344678ecf0d0ffa2304e6b05a27473f1...
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.