OpenTechnical

OT-2026-000101725

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000101725) never changes.

Identity and time

Publication numberOT-2026-000101725 · never reused
Internal UUID01a0aea4-0e17-7722-84a6-dc4382fde6de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101725
StatusPUBLIC

Content hashes

Canonical text7c998697c1a9b7981c28ba26bef447a326c72424156b17b47568ee950e1e103f
Markdown86577fafb66f29ab5c01794f765e420fc95c6ac27ea27c42262d0c59ff0ac6d5
PDF
Publication page651264ad7dd810763cb6fbcf04576bac52d888d671f750a6ee1016eb4f790049
Manifest049b298d16f477c76fc77e8036ee55e2d09410ee38af6c2bbc7e0c3df3695a61

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
SignatureKdrvKsMsuNKgcqPCPft3nnjNPNQVdpKJwqIp+WOgaV0Dj5TvjmOenlvMDHxO0GlViFfzicZabgQw06KuUkbvAQ==
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

2026-09-17T09:26:09.230244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101725
observed 651264ad7dd810763cb6fbcf04576bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.211959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101725/manifest.json
observed 049b298d16f477c76fc77e8036ee55e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.191801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101725/publication.md
observed 86577fafb66f29ab5c01794f765e420f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.172288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101725/publication.txt
observed 7c998697c1a9b7981c28ba26bef447a3...
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.