OpenTechnical

OT-2026-000102548

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed 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-2026-000102548) never changes.

Identity and time

Publication numberOT-2026-000102548 · never reused
Internal UUID01a0aea4-858a-7032-82c2-a0eb5da76e06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102548
StatusPUBLIC

Content hashes

Canonical text05d77c5fcb563a1d475e90cf4d5d93ac2b1f10021d998497104ada97fc513f47
Markdown5a993f25a0d3184bf87ac9920d5d9faf7c60ee88ab6b6b3207f6d964ba62cff3
PDF
Publication page24f7582e1a16b616dedb8113fdcce3d7ef11778939d96ff19cff7fc1c54aed63
Manifest6a62940cb594d311ae4617c78a9a5d26e23f9ed1a862eaa84be04f045d0ba056

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
Signatureqh+7oT/dAouclYy8TXlaomB140lmlUetEqELjX8Osg3qE5rKl47Jw9hboFp9I8ydAOtRAH6I9RJYhLobZdCRCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:38.386776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102548
observed 24f7582e1a16b616dedb8113fdcce3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:38.369719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102548/manifest.json
observed 6a62940cb594d311ae4617c78a9a5d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:38.350317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102548/publication.md
observed 5a993f25a0d3184bf87ac9920d5d9faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:38.307115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102548/publication.txt
observed 05d77c5fcb563a1d475e90cf4d5d93ac...
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.