OpenTechnical

OT-2026-000027142

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000027142) never changes.

Identity and time

Publication numberOT-2026-000027142 · never reused
Internal UUID01a0ae72-3454-7273-9d8b-2b28d36fb940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027142
StatusPUBLIC

Content hashes

Canonical text7d05145ce6e0402c7d1736734584f3d7b3c75c7c98fc857559098030dfc29ce5
Markdown10c228bfde86b7138122fad194b235fcd7211fa4d0b1d8bccdc6f662146a9841
PDF
Publication page68701c8f5e1e0d0664920d80b6961ae1731b18c57b0595fabe316f3a859cfa75
Manifeste5ad0c50859709c369ae404eb8b1c9f8aecc77a7c777998e341987dc749f059f

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
SignaturelBp8e7jOZgK5YkbAcfDPoWC8eQtjhUONcvLGn83McISPdHBJPpMxltyuMS/FVwmApImxVpGXZeaPscfzNvx3BA==
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

2026-09-17T11:43:55.158325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027142
observed 68701c8f5e1e0d0664920d80b6961ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.142968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027142/manifest.json
observed e5ad0c50859709c369ae404eb8b1c9f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.126942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027142/publication.md
observed 10c228bfde86b7138122fad194b235fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.110584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027142/publication.txt
observed 7d05145ce6e0402c7d1736734584f3d7...
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.