OpenTechnical

OT-2026-000006103

Publication integrity record

Vacuum cup gripper, three outlet manifold, ejector fed, pressure verified, contact triggered, polyurethane 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-2026-000006103) never changes.

Identity and time

Publication numberOT-2026-000006103 · never reused
Internal UUID01a0a94f-6c6c-7328-866e-ae116adc7b74 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:29.742584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006103
StatusPUBLIC

Content hashes

Canonical text06fa7a470fdd510ef3bc25bcaa6ad4046d7d3618c9a40e5870d3291b1ee0a34a
Markdown513134c3017288e9d3d70fb7953a6c812585fcf2e0ba984b776e0aec66458beb
PDF
Publication page492998ecd6afaccb15e2eb15da0c99771375d46601f83ad53b96774517406e73
Manifest0412d487f8146a2b035b5889271ab394f8c85f6f96d1c8cba9389b766033cdf4

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
Signaturej19lgnMSNiQFp1VZzYmEOGhwXzvRChLGmhu1S5W7AyPgB5PcZOOQBdmOqtQQ/B8iufR/2X72H9HghqcqsXzkDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:27.175129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006103
observed 492998ecd6afaccb15e2eb15da0c9977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.161045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006103/manifest.json
observed 0412d487f8146a2b035b5889271ab394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.146061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006103/publication.md
observed 513134c3017288e9d3d70fb7953a6c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.131826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006103/publication.txt
observed 06fa7a470fdd510ef3bc25bcaa6ad404...
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.