OpenTechnical

OT-2026-000082953

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000082953) never changes.

Identity and time

Publication numberOT-2026-000082953 · never reused
Internal UUID01a0ae97-8cca-7cc2-99cd-adeda66c5da5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082953
StatusPUBLIC

Content hashes

Canonical text6a277f3725605b45165b2cfd6fc1c91481c21b78e3479a7fe607010c4a6df788
Markdownb511b88c95f294eeb090f430f2af62e41b6bc2521defc582ffbbc08217f21f7e
PDF
Publication pageeec4ea407ba2cb5474db883f38db66130af98eaa241099141706621a4c1ee977
Manifest436d6827f312c0e8944c5d6c2695b771d592b64ce2bfe6e18f1f0eb599641def

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+hikhcWcgreaqaf32WWWCseWb7p2M6qH9O+z3MbBXITLVhpGwwCagoGLIDsCbV6jNdtE87R/b5/CggWLA6p9Dw==
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

2026-09-17T09:58:39.050483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082953
observed eec4ea407ba2cb5474db883f38db6613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:39.031864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082953/manifest.json
observed 436d6827f312c0e8944c5d6c2695b771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:39.013651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082953/publication.md
observed b511b88c95f294eeb090f430f2af62e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.995480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082953/publication.txt
observed 6a277f3725605b45165b2cfd6fc1c914...
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.