OpenTechnical

OT-2026-000085672

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000085672) never changes.

Identity and time

Publication numberOT-2026-000085672 · never reused
Internal UUID01a0ae99-aaad-7650-ace1-b7c701236547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085672
StatusPUBLIC

Content hashes

Canonical text167a0424334bb799b85d3133f4dc19503d552d3bda97caf8bbaedcfb8e35c105
Markdownab72ca5ea72567d5255d8d0368c5ed3b8c39f55718b74327a0db930b7d61d807
PDF
Publication page0ec7d09556f1cdef044c1ed3ece2d217281be790831c0f0dababbc877596c156
Manifest3bafedd1632e23beebb4c931802874eeeb8c6a30703e51dd54e631fcf6c61429

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
Signature+rR6qHhsC9U6LPcVlgYxPqxR5g3GyYJYx2bfqwmWJnp5NiBdC+edN9ollawVrSsxAzgPs3oDwwMTucCOKEPiBQ==
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

2026-09-17T09:54:34.016693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085672
observed 0ec7d09556f1cdef044c1ed3ece2d217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.997392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085672/manifest.json
observed 3bafedd1632e23beebb4c931802874ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.977421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085672/publication.md
observed ab72ca5ea72567d5255d8d0368c5ed3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.957848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085672/publication.txt
observed 167a0424334bb799b85d3133f4dc1950...
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.