OpenTechnical

OT-2026-000072724

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000072724) never changes.

Identity and time

Publication numberOT-2026-000072724 · never reused
Internal UUID01a0ae92-89d9-79b6-b566-dd7807be0671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072724
StatusPUBLIC

Content hashes

Canonical text98ec9c48a7c0dd013757fc4735b480a65ed285f420ae43a30e6e3636c7482e23
Markdown7185cca93aa092356b70c5273db0829cf609a27ac43e8748a3990af3fda27829
PDF
Publication page4e073b410d055a6ba988494b0a48ce712b6e80aa7f6f7b589c58fabc9513e752
Manifest30a28566bf36fc51eaa089c47967163108ae39c16fb0615a57a3c6876e2ca823

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
SignatureQrNoNc/JsxUBHQtMfxn0EEKqXUNRCtGm0l/KXGzyO0RJNbaXXHAXM5+rznx3Rtrtx8j7RyQEEQ9DT+XXxHsZDg==
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

2026-09-17T10:22:37.330105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072724
observed 4e073b410d055a6ba988494b0a48ce71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.313023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072724/manifest.json
observed 30a28566bf36fc51eaa089c479671631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.295865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072724/publication.md
observed 7185cca93aa092356b70c5273db0829c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.280204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072724/publication.txt
observed 98ec9c48a7c0dd013757fc4735b480a6...
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.