OpenTechnical

OT-2026-000016899

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000016899) never changes.

Identity and time

Publication numberOT-2026-000016899 · never reused
Internal UUID01a0ae6e-591a-7c42-847c-19e2e8394016 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016899
StatusPUBLIC

Content hashes

Canonical text236be6086cb234e85fd9b50d4e32f7a34956437064dcae6ce92f01ccd3f24a5c
Markdowna3038bf3f94ff98bec045c54169d3470f99d8cfde804ca5ea0758a7b89c1e700
PDF
Publication page0a0c369857da456f318e96d6e40341f4ec3386dbf7e1780fef1097c5c8fbc6dd
Manifest2f127e826a379c6567eedd746bf416282cc6764b4e011923285e8b3385122bef

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
Signaturea2ZDLPij7HXrzPIo/40M6SmYKkQLvGU7UOs0VAwcI0NBXrFCyPlkQXroIe91jptra7LSQaKIa6J2RRDXCyAnAg==
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

2026-09-17T12:03:10.441499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016899
observed 0a0c369857da456f318e96d6e40341f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.423924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016899/manifest.json
observed 2f127e826a379c6567eedd746bf41628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.407248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016899/publication.md
observed a3038bf3f94ff98bec045c54169d3470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.389878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016899/publication.txt
observed 236be6086cb234e85fd9b50d4e32f7a3...
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.