OpenTechnical

OT-2026-000092983

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two 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-2026-000092983) never changes.

Identity and time

Publication numberOT-2026-000092983 · never reused
Internal UUID01a0ae9e-090f-7d74-847a-0ee97c0af92c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092983
StatusPUBLIC

Content hashes

Canonical text804cb39a630d31ddec4b93d82c2e534b2327fc53530da3bb81c3f5baec23f324
Markdown6b33e0eeef9f9f49b7f15505b2f54947b3c54093b04c3a9d389e57f08bbb33fc
PDF
Publication page0dba7d2116977bda17b59268ef401020e2f6539d03b5f6ca8268433b7786ccfd
Manifestc343c8827d91e326fe1f96e8c278933d952aea3691456d8f4eb5820b5b1cad8c

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
SignatureQXAlx/1taj9nsHodTqxYGQaB5UW/ZN/dWWnNqrmWlXJ45bdb4DWIkYZ1sHO9UjFDKXtsSs7pr2KEnk6CrfuwAA==
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

2026-09-17T09:40:11.008332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092983
observed 0dba7d2116977bda17b59268ef401020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.991862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092983/manifest.json
observed c343c8827d91e326fe1f96e8c278933d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.974946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092983/publication.md
observed 6b33e0eeef9f9f49b7f15505b2f54947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.955681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092983/publication.txt
observed 804cb39a630d31ddec4b93d82c2e534b...
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.