OpenTechnical

OT-2026-000006867

Publication integrity record

Vacuum cup gripper, per zone isolation, three stage ejector, contact triggered, 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-2026-000006867) never changes.

Identity and time

Publication numberOT-2026-000006867 · never reused
Internal UUID01a0a96a-2dfd-7f73-b5de-857e4f381968 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:43.231769Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006867
StatusPUBLIC

Content hashes

Canonical texta83aaec227cae647c8ff9abc2bd8277d1a5180b97634f20f1e56e02e678cadf3
Markdown83fdf0da7ba81b2aa6b0b4d4f5697610a738f590a1cdc3405eb3c1d6c466ef1e
PDF
Publication page0bd612d8939b9867b8be559cd184de555596d04e4f5d723d37e89ed914f93724
Manifest89739de27a4f117d084e25f3213ec118a9e2d3b0d9cee0d2ce37ae566c5c4c87

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
Signature/6dgskBfMQd7ClbcxOT2ciuyMnU8RY7FVj1IHHYDaApqG6C2Rz2gj/LyLjJ05EU+iodoWK6p8rsZmAQHx32qCQ==
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

2026-09-16T09:00:27.489592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006867
observed 0bd612d8939b9867b8be559cd184de55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.476559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006867/manifest.json
observed 89739de27a4f117d084e25f3213ec118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.461096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006867/publication.md
observed 83fdf0da7ba81b2aa6b0b4d4f5697610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.447423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006867/publication.txt
observed a83aaec227cae647c8ff9abc2bd8277d...
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.