OpenTechnical

OT-2026-000104522

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, vented 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-2026-000104522) never changes.

Identity and time

Publication numberOT-2026-000104522 · never reused
Internal UUID01a0aea7-239f-7eff-9ffc-8573edbdbc5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104522
StatusPUBLIC

Content hashes

Canonical text17fc71d02832914cda0745e76957c347cc0fe277bb0270647e9eec7ed5a1665d
Markdown01270a7c3b061f01c119511fcfae981f89f0e6ead4e36ce873d8516e989f4072
PDF
Publication page8985de817ed731d463edfae62fd6dcec6e1f7a3539a9cdb2e1875450c4a8bda9
Manifest98d26e9c1487831aa4b9dd1896eab1de4842407cef63f89b4a6306c0440cbb2f

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
Signature5zJ02E4TbWjCSNS4KrJID+Juo2wjUtzj0DolW1diQLlyqmusmB15+FkvJuqvJGA8ie3rmoitYjqfaMgUYuOABw==
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

2026-09-17T09:20:02.297323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104522
observed 8985de817ed731d463edfae62fd6dcec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.277331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104522/manifest.json
observed 98d26e9c1487831aa4b9dd1896eab1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.252971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104522/publication.md
observed 01270a7c3b061f01c119511fcfae981f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.235425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104522/publication.txt
observed 17fc71d02832914cda0745e76957c347...
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.