OpenTechnical

OT-2026-000032294

Publication integrity record

Foam pad vacuum gripper, 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-2026-000032294) never changes.

Identity and time

Publication numberOT-2026-000032294 · never reused
Internal UUID01a0ae75-106d-7315-9488-e5f3bdf23419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032294
StatusPUBLIC

Content hashes

Canonical text2f21d3d70a2e02189e70d47804895b8d2b844b5240d043957831b690335611e4
Markdownd62330af1231c904e8099ef0a19ac660b6f686c9453195c3067534e698944601
PDF
Publication page4319bad696e80d531d3e5c3643f96cbb86d2aff536e36b0f7bbf37a0d39be7e4
Manifest01f22f0c0032345ad06c4a6a9a04433935323aba0b76885ed68e80f760264dbb

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
Signature7VDUE+0eiw0Y02HU13sqPLZiJ1TWV2K8Fn2a6M09aoR4FYjxBxNK+CqvfZySO4WmAr4rn5thoMMR/adh7fovDQ==
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

2026-09-17T11:33:07.309800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032294
observed 4319bad696e80d531d3e5c3643f96cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.291407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032294/manifest.json
observed 01f22f0c0032345ad06c4a6a9a044339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.273524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032294/publication.md
observed d62330af1231c904e8099ef0a19ac660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.254824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032294/publication.txt
observed 2f21d3d70a2e02189e70d47804895b8d...
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.