OpenTechnical

OT-2026-000027709

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000027709) never changes.

Identity and time

Publication numberOT-2026-000027709 · never reused
Internal UUID01a0ae72-699a-7a3c-8ebc-063d3bcaf606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027709
StatusPUBLIC

Content hashes

Canonical textf43393ff1dff392a48b25b99bdd6a24e98abef92016861a3c107f367ef906c70
Markdownb62843d5e6b11ff032911bbb8f4fa9663efb99e5971357fe71d147fef33c423c
PDF
Publication pagedf67bfca4305b25bfb2993c2e8f6dbf483911d285a924ac0c643db6e8f8f7fcf
Manifeste0febb980537ae294c5641d94036d1b7bd01f539383e640c8b7a381ead088c1a

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
Signaturem2nmVnXs7H8FQhQ1AaMMtU5Fhe8NWeqQq6fmV2lbYH6MzwIUicnZOutRMmLRtY9d6TrBYPy2JfMKwsWN8uj1BQ==
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

2026-09-17T11:43:15.733031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027709
observed df67bfca4305b25bfb2993c2e8f6dbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.716045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027709/manifest.json
observed e0febb980537ae294c5641d94036d1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.696682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027709/publication.md
observed b62843d5e6b11ff032911bbb8f4fa966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.678045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027709/publication.txt
observed f43393ff1dff392a48b25b99bdd6a24e...
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.