OpenTechnical

OT-2026-000059252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000059252) never changes.

Identity and time

Publication numberOT-2026-000059252 · never reused
Internal UUID01a0ae89-8613-7c72-8fe5-5a3c6fd8ba8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059252
StatusPUBLIC

Content hashes

Canonical textd8976b52cac66dcd93ebf9c125e1f66b350a45394db6bc2e05e67f2bc2548fc8
Markdowna58823c037ddab363ffb84443f8ea4b179f66acd02652c1f5fd0d2bc853622ba
PDF
Publication page0ffe3639830fa1a98db79bfd0581aa4b03693e582b4ca0619a7e87fd4fc88aa5
Manifest3fbcd21a7f67295b71e296a01b11ad0591b22540e69066129be87002b575d8a3

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
SignatureAsqAVlz1J+9arcSuo1pf9QoARv4lxL82pE8668Bm/q8ia2sskou7kbagFewuT5anVMAKLnJmWuhI6nIdu2B5CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:47.749040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059252
observed 0ffe3639830fa1a98db79bfd0581aa4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.731535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059252/manifest.json
observed 3fbcd21a7f67295b71e296a01b11ad05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.712931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059252/publication.md
observed a58823c037ddab363ffb84443f8ea4b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.696650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059252/publication.txt
observed d8976b52cac66dcd93ebf9c125e1f66b...
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.