OpenTechnical

OT-2026-000047646

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000047646) never changes.

Identity and time

Publication numberOT-2026-000047646 · never reused
Internal UUID01a0ae7f-c41e-7f41-8843-4b08c7a12f35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047646
StatusPUBLIC

Content hashes

Canonical text8f0dec9cd43208aa4b3257f94e3fe59698ba7ed41c041627f3314d3065fad933
Markdown9dc9d88fdceac5ad23065e07ef88ca4150ad741f60bec3e2863210027daeac5f
PDF
Publication page81991808a3663c080526f7d20a245ee400fc4dbaebb1440a8b097b565eb3e921
Manifestc0bc0950bac28430c325713067c4a01442c7c3fa0eadbe378cab0974494b2bea

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
Signaturem0BEpERPau3Nm5SbDncbY3klpupzWb1gw545DlmzI52Nqu9VyvT4VPHUl/XkbSiKBwHrrqRghhiPGqihgkL4CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:28.706914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047646
observed 81991808a3663c080526f7d20a245ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.687733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047646/manifest.json
observed c0bc0950bac28430c325713067c4a014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.669426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047646/publication.md
observed 9dc9d88fdceac5ad23065e07ef88ca41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.651178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047646/publication.txt
observed 8f0dec9cd43208aa4b3257f94e3fe596...
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.