OpenTechnical

OT-2026-000010687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000010687) never changes.

Identity and time

Publication numberOT-2026-000010687 · never reused
Internal UUID01a0ae6c-0ee8-794a-ba11-2585648dfc01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010687
StatusPUBLIC

Content hashes

Canonical textaaefe24e7ebb5e149f663672eeadbc40a4fb24a31aceed8876d3982a8dba4134
Markdownfdf6b78209b71d8cd0c6107ef86a7c8376c118c9f219fc7596e8fa5a0e3a4ce6
PDF
Publication page704fcd87224951bf79b54e9e05d885bbe428657c531caffb4b6fcaeb9b55fbed
Manifest74bd0533b71824d94cc4b43393cab60973c71c8decbb1e9481d39331e2ebee65

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
Signaturew0nu8No7VHfagG/ru8OvKPkP4fnOVDxt2LfOrc5vH8eO35dJt2MryFsphof8wgQTdu4K699yrMxl5i346lvpCQ==
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

2026-09-17T12:14:54.035955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010687
observed 704fcd87224951bf79b54e9e05d885bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.018304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010687/manifest.json
observed 74bd0533b71824d94cc4b43393cab609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.998975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010687/publication.md
observed fdf6b78209b71d8cd0c6107ef86a7c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.979434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010687/publication.txt
observed aaefe24e7ebb5e149f663672eeadbc40...
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.