OpenTechnical

OT-2026-000011117

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, vented 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-2026-000011117) never changes.

Identity and time

Publication numberOT-2026-000011117 · never reused
Internal UUID01a0ae6c-540f-73b4-9ce6-335b28054713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011117
StatusPUBLIC

Content hashes

Canonical textf0ad336a754a59344c2d0f36f08749c945267d7c5aaab050b2ff20798cc84496
Markdown7c5e450aa440c3e36bfbd478cfaabe6644ff7033a11626da04b8449f901dbeed
PDF
Publication page88a8dfd45fed3387c44542e3345d68b06f8593d0fafa4db14b92bb1aa0d0ace0
Manifest68b9c6a94417e8b282f472f40431ef50768de40499bcae9c6596be8e2d42750e

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
SignatureMaHXAFvHLh1jctF94YevbgEFIRnDNpiXWb5VGvQ9Fmr+Mdnb/LYBUrzBZIoSG2g1xKeVMDWcD4Y3HqcYxMBJDA==
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

2026-09-17T12:13:58.155160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011117
observed 88a8dfd45fed3387c44542e3345d68b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.135725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011117/manifest.json
observed 68b9c6a94417e8b282f472f40431ef50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.100276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011117/publication.md
observed 7c5e450aa440c3e36bfbd478cfaabe66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.065177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011117/publication.txt
observed f0ad336a754a59344c2d0f36f08749c9...
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.