OpenTechnical

OT-2026-000084680

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained 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-2026-000084680) never changes.

Identity and time

Publication numberOT-2026-000084680 · never reused
Internal UUID01a0ae98-e25c-75db-9c36-9ab8e231bb96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084680
StatusPUBLIC

Content hashes

Canonical text3e94143beca63fe4d40ec60f7241d8b768aeefdd081903682a0de2e4d930528c
Markdown309d85f2298c159ad3a1c224aba3c3fbd04fa66d27df7638f4e2055f3b690dfd
PDF
Publication pageedb453799cdda9db1eed29eaa7abb4fbdb69daff7266230b64055b1dc09a1e97
Manifest1a67a83b7c60400913ae6956c5b3e0b775fde073b4101bbc29d87238f914799e

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
Signatureez8DxXfCD6EZF3JWlPJpq1qnHBXGsr/09Cciui9tJNsAqXqaqA6Jppft0cUvXA2rwOWGOgu64gneEfUQK0AmBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:36.409937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084680
observed edb453799cdda9db1eed29eaa7abb4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.393186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084680/manifest.json
observed 1a67a83b7c60400913ae6956c5b3e0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.374638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084680/publication.md
observed 309d85f2298c159ad3a1c224aba3c3fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.357385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084680/publication.txt
observed 3e94143beca63fe4d40ec60f7241d8b7...
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.