OpenTechnical

OT-2026-000098375

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000098375) never changes.

Identity and time

Publication numberOT-2026-000098375 · never reused
Internal UUID01a0aea1-e965-7a9f-afb6-9626b95f0635 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098375
StatusPUBLIC

Content hashes

Canonical text7a561fe6752da072a2499f38741d36db3115eff55557fcdb019581327cc99f7c
Markdownc869857a086796796359471b25e3b204af4787feaf97c6aabddc7c3dbdccf70d
PDF
Publication page7ab028c03658560fefb5a191b558dc772f54ab3731d76031fa7c4de3d36ebf1a
Manifest9f13dfac81768af1d05a0423139e52c0a6995fce335542d66f68430c604b7116

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
SignatureYnZEVouEBk7k86hukN6z2UrQ6tY45dpHPt5yb9W2ASYiDX1k38oW6Mmip28svovinamDcz1ILUfsqXeKSLEfCA==
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

2026-09-17T09:32:06.823142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098375
observed 7ab028c03658560fefb5a191b558dc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.805021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098375/manifest.json
observed 9f13dfac81768af1d05a0423139e52c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.787470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098375/publication.md
observed c869857a086796796359471b25e3b204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.770207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098375/publication.txt
observed 7a561fe6752da072a2499f38741d36db...
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.