OpenTechnical

OT-2026-000073438

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000073438) never changes.

Identity and time

Publication numberOT-2026-000073438 · never reused
Internal UUID01a0ae92-efb8-72c5-9732-2e9426070a0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073438
StatusPUBLIC

Content hashes

Canonical text0d2dc73fc9159d4190486edf976cc7b92f5cf8313f18cf83e3cd2053e8cfb0c1
Markdown090de865c109e468df1d7ab5ec56aed8464087b4dcf43d33e64a0ffc58822940
PDF
Publication pagec50b11dbc3078469dee83058addd1be94eb232cb354c12a91fadaded5c63834e
Manifest2be4f95fb01a01519c8bf5a6f3d39c594b723545ef83079f8455f3e282a87c6e

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
Signature5DNI+WsXBe+gTu4N7IRXTDCyqEoH57HMvT9OnVnOZsRD9RdQUg/Pe8lAVl6Ff7A8qiqJiCt37cIwyl0r0jZdCw==
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

2026-09-17T10:21:35.760680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073438
observed c50b11dbc3078469dee83058addd1be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.743985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073438/manifest.json
observed 2be4f95fb01a01519c8bf5a6f3d39c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.725426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073438/publication.md
observed 090de865c109e468df1d7ab5ec56aed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.704893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073438/publication.txt
observed 0d2dc73fc9159d4190486edf976cc7b9...
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.