OpenTechnical

OT-2026-000041014

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after set-down, on a tool changer

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-2026-000041014) never changes.

Identity and time

Publication numberOT-2026-000041014 · never reused
Internal UUID01a0ae79-b10e-75d3-8429-c6d8dcaef3b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041014
StatusPUBLIC

Content hashes

Canonical texteffd899345a80c952e9fcc949cc978511d61d46f785c616f0787e0c171b1a7f9
Markdown579ece070dfbeafd31a50cbf6a169a4b3c821699f0f5b9d6c6817531496051d7
PDF
Publication page564e1abbb042b3233d32ec84a03fe3152729353b5057658ae55c9108b52b46c7
Manifest69310aee3c881ce63dc22390af29e9c0499053075f145d8df9546cf59e07627e

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
SignaturewjvIUDym/N1kn5aLOL2ICUMoykX69VAWc09Vr6XN/Tg4H9lAentUZzF1jy/BEoS0XihVeshkZxL78o2gyVH8Dg==
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

2026-09-17T11:16:55.232534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041014
observed 564e1abbb042b3233d32ec84a03fe315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.217150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041014/manifest.json
observed 69310aee3c881ce63dc22390af29e9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.201769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041014/publication.md
observed 579ece070dfbeafd31a50cbf6a169a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.186331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041014/publication.txt
observed effd899345a80c952e9fcc949cc97851...
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.