OpenTechnical

OT-2026-000083239

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, sustained blow-off before 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-2026-000083239) never changes.

Identity and time

Publication numberOT-2026-000083239 · never reused
Internal UUID01a0ae97-c963-7e59-8105-f99c0fa7f537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083239
StatusPUBLIC

Content hashes

Canonical text95071a70f6444b5f78068288721465d4a1abb9695edd267fcc640858f0bbc46d
Markdown56d84302d47c5bca605051748c0c61c4fa6d887e480b504bc56428021e11c371
PDF
Publication page9f2f6f3155e7a3ae413d3894bfb85a996f66b3693c56d6fe3f45b75a8bba4110
Manifeste9fb6ee16ce846ab1641e45354bcef1ef00682e9d2a2a5e2a99e17cb0a582cbf

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
Signaturesrk1myZ/rfrbowQ+1aGrAusJR8CBkjkrChL16DI6nefk43+w/qYHf2PmC6bvM2iajnu+/TTM/wYfqlPcR3i9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:01:12.844841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083239
observed 9f2f6f3155e7a3ae413d3894bfb85a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.828098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083239/manifest.json
observed e9fb6ee16ce846ab1641e45354bcef1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.809943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083239/publication.md
observed 56d84302d47c5bca605051748c0c61c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.416180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083239/publication.txt
observed 95071a70f6444b5f78068288721465d4...
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.