OpenTechnical

OT-2026-000040509

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off 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-2026-000040509) never changes.

Identity and time

Publication numberOT-2026-000040509 · never reused
Internal UUID01a0ae79-6d0d-7e21-892a-e36a419f4117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040509
StatusPUBLIC

Content hashes

Canonical textc0bad11ccd37ff65dca6f9e4cf1bbe75f3c57b391c1f5899ea4f429b89ab34b8
Markdown39f9ab17b78db9be3d7b751fdef1720642d18734a00193b58e5b577601694a89
PDF
Publication page50d4fb83a9ccf8e58564a8cb82f6a7902b2bd0f378c3bb9d7e1d9a4255b62f61
Manifest6b9659822c8d9fa452ad49333ef8f65f1fdcac93c175d26c467bac0e2de48b3f

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
Signature9n2y29DOZZphDNJ3Bip6cN/bqc96H16ne3eFKdmdnHzO9OmQcPMe0Kg8bYnCqYliUYxypAswFwXaEofDclIRBw==
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

2026-09-17T11:17:33.361487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040509
observed 50d4fb83a9ccf8e58564a8cb82f6a790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.341538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040509/manifest.json
observed 6b9659822c8d9fa452ad49333ef8f65f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.324243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040509/publication.md
observed 39f9ab17b78db9be3d7b751fdef17206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.307287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040509/publication.txt
observed c0bad11ccd37ff65dca6f9e4cf1bbe75...
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.