OpenTechnical

OT-2026-000083246

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000083246) never changes.

Identity and time

Publication numberOT-2026-000083246 · never reused
Internal UUID01a0ae97-c963-794f-9f85-7abf9ffe03a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083246
StatusPUBLIC

Content hashes

Canonical text6b24ca8a88e1d3361403826ebf69733593000ae33b1b5ce3706d5850c5d11cfc
Markdown20c92b86d317ea81a84eaff697e03ea27d99ff3ccd5f3ae6ac5d5b1b2c962bd4
PDF
Publication page4bf57e718701b193ad6e0ece4a6ef05fd528401cfb03da398b00d3b703e98005
Manifest9a9d9b818f49927917de22c401abdcd86cfe8726e5a1604d3e9397e5563449c5

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
SignatureKC3gRnKsatWY9BZOcl1BJU4ZEu7Nerf8fl4PDyfBuaknBeNikp5F1WdjtaMzvBcgYDH3fo+SHB8WmWDDDdD6AA==
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

2026-09-17T09:01:14.337947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083246
observed 4bf57e718701b193ad6e0ece4a6ef05f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.319417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083246/manifest.json
observed 9a9d9b818f49927917de22c401abdcd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.180408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083246/publication.md
observed 20c92b86d317ea81a84eaff697e03ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:14.159853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083246/publication.txt
observed 6b24ca8a88e1d3361403826ebf697335...
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.