OpenTechnical

OT-2026-000074442

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074442) never changes.

Identity and time

Publication numberOT-2026-000074442 · never reused
Internal UUID01a0ae93-717a-7b55-a7aa-7e7e2c425b3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074442
StatusPUBLIC

Content hashes

Canonical text8dc2f7c128982bc523c4b70abec90164c0cc700f087812297cb279a9c719007d
Markdownfe3ace8c86bb39cb38c4f58d3fd296118c814ebd3ee9050b12f333b1a9b84bb4
PDF
Publication pageff075e2e6253c9b446f83fc313cba0364f312612f93ed2c5b90dd9d60406f2c7
Manifestf04ec4bd69057517eaa7e1060b56e4111af8ec3ed678ba45e232165824c341c5

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
Signature4148W416XyjjdKG7qiUEViuPrY2Bq7AoeNxmHcgFcs6txdXaFSgVRZ9TgwQuufNieEFlHXRCyKxx4DDRlGy8DQ==
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

2026-09-17T10:19:23.799754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074442
observed ff075e2e6253c9b446f83fc313cba036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.778219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074442/manifest.json
observed f04ec4bd69057517eaa7e1060b56e411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.755639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074442/publication.md
observed fe3ace8c86bb39cb38c4f58d3fd29611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:23.733792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074442/publication.txt
observed 8dc2f7c128982bc523c4b70abec90164...
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.