OpenTechnical

OT-2026-000102975

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000102975) never changes.

Identity and time

Publication numberOT-2026-000102975 · never reused
Internal UUID01a0aea4-be3c-72b2-b864-8159e287fe57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102975
StatusPUBLIC

Content hashes

Canonical text724332b38f3d04cc4a29b552b7d58f577c431aff36dbc912aff7c628e6152311
Markdowne3be127e465127d740c087bd19a9106065220215206fe2931a63a7faff14feb3
PDF
Publication page94f92a16f48b93103710c68e36c66374c98273af71934d0710254c60bf648700
Manifest248e60582eba7e37d130a1319fc1665ce2f9a38792fc8106e66a3e48662622b4

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
SignaturewHG6pntGN+Irzz+xxnLBJMjnFNvn2Ip0To4TNI3zBwke2s9w8QjwStM9rZMsr8S0K4d0efzqaowWLiAkqFQRAw==
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

2026-09-17T09:23:05.118796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102975
observed 94f92a16f48b93103710c68e36c66374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.102045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102975/manifest.json
observed 248e60582eba7e37d130a1319fc1665c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.085555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102975/publication.md
observed e3be127e465127d740c087bd19a91060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.068033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102975/publication.txt
observed 724332b38f3d04cc4a29b552b7d58f57...
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.