OpenTechnical

OT-2026-000007001

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, contact triggered, plastic cups

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-2026-000007001) never changes.

Identity and time

Publication numberOT-2026-000007001 · never reused
Internal UUID01a0a96f-1f65-7d5d-b114-f8464c351b5a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:07.175464Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007001
StatusPUBLIC

Content hashes

Canonical textd60c34a7eed3b123ea05e88cfa848ac5e23d5a3dfe407db1e174dfe105749827
Markdowne4f95d1133a0ba0b5cb67320323616e5ddbd982ef619145836d42bef8dfadb82
PDF
Publication page563bbe114d5033f59790869eda26c997b371b0950daf847031cca8a740be476c
Manifestdc8563c3f162298e7a2884365a719a54c7a82f79718db254b015502203749f21

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
SignaturegYqUUBBO+/C+rE4DJGb9EIMTyzlu3W+CE5y9YdW1QcbWxlWUVGLLaXNPZN/gtfEkzGrj7uiDtMSVROProSmMBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:13.142697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007001
observed 563bbe114d5033f59790869eda26c997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.129234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007001/manifest.json
observed dc8563c3f162298e7a2884365a719a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.990190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007001/publication.md
observed e4f95d1133a0ba0b5cb67320323616e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.976635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007001/publication.txt
observed d60c34a7eed3b123ea05e88cfa848ac5...
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.