OpenTechnical

OT-2026-000012223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off before 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-2026-000012223) never changes.

Identity and time

Publication numberOT-2026-000012223 · never reused
Internal UUID01a0ae6d-39f5-762b-b244-7fc160553c93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012223
StatusPUBLIC

Content hashes

Canonical text0342d5ed0b1781e58e0d82adac06c8de28bfc739e3a8bfe3b7e8fa6d30194af6
Markdown693b1c02ea05069e69031b834379d365413e9b8b0c3a7a62363de8b81460e059
PDF
Publication page83c98152122a5096c0dde6835f66559835dc5ebae64414485b7377855c12158b
Manifest94033ab6dfbe21a882defde19431e37a3acf263d613989af9be241dd76e0636a

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
SignatureEQJQPnXZcOeo5a0XuivOuen2wse/Pw5pvhML4if2zgXSFuFk2oGCNHfY4iRIQ+SetmmlRbX0t+OcD3W92tkyAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:08.528402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012223
observed 83c98152122a5096c0dde6835f665598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.510164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012223/manifest.json
observed 94033ab6dfbe21a882defde19431e37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.490811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012223/publication.md
observed 693b1c02ea05069e69031b834379d365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.472067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012223/publication.txt
observed 0342d5ed0b1781e58e0d82adac06c8de...
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.