OpenTechnical

OT-2026-000025134

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025134) never changes.

Identity and time

Publication numberOT-2026-000025134 · never reused
Internal UUID01a0ae71-5fa5-7443-8869-a487abf4420a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025134
StatusPUBLIC

Content hashes

Canonical textaefc1b64b6038630ac8f850c2e58fcc6e583a2ee817c66d03ebd9de949a5ca29
Markdownd92165a6fb8d93bd93e79762353b8f0f866a763c515da5ec37acca36f6a8b81e
PDF
Publication page98937a1f8b0c7786e024e98c8afa9024e4b9fdb7d2483da3dcd0c234ec9d8184
Manifest1c079103d8dd92f704330193a1cd49c4f30cab769b223225ad9eea957d808401

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
Signature1Rpms06edwjm16MibHF8Akh/+GCRCYEs9f2KDNXBqu/zq0WzaeNZpUrRjDEuI3W8J7BQrFP/f6/jYsSnVJyqAw==
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

2026-09-17T11:47:00.898559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025134
observed 98937a1f8b0c7786e024e98c8afa9024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.881835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025134/manifest.json
observed 1c079103d8dd92f704330193a1cd49c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.866749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025134/publication.md
observed d92165a6fb8d93bd93e79762353b8f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.849261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025134/publication.txt
observed aefc1b64b6038630ac8f850c2e58fcc6...
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.