OpenTechnical

OT-2026-000095463

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000095463) never changes.

Identity and time

Publication numberOT-2026-000095463 · never reused
Internal UUID01a0ae9f-8f73-7478-a1ec-727506dace4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095463
StatusPUBLIC

Content hashes

Canonical text33d6272679923e22085b55ea0b595efcc0e7ce761e71afa4f3f9d26495b8a360
Markdown2bd612f69d0504cc7de6524ddecf64278d69d0dfc71ad1287c809e63e13de63f
PDF
Publication pagef6e1bf2e1923858b1c2789b555babe5233f9d7ba49afdb36ca6864eed0dd5459
Manifest2f0cd16c672491e3c407c5aeef5d59e66621ce8a41f09d4d850dd67408b18128

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
Signature3nnV4cwUq0UaH/fvpP93nqix0CNVEqrOeZV0jnWQIviidzAaHoJ/t60cvBXh79jJ3XTRummKzrFUHix8WBdJDw==
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

2026-09-17T09:36:50.457982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095463
observed f6e1bf2e1923858b1c2789b555babe52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.439289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095463/manifest.json
observed 2f0cd16c672491e3c407c5aeef5d59e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.422514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095463/publication.md
observed 2bd612f69d0504cc7de6524ddecf6427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:50.406450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095463/publication.txt
observed 33d6272679923e22085b55ea0b595efc...
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.