OpenTechnical

OT-2026-000047680

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047680) never changes.

Identity and time

Publication numberOT-2026-000047680 · never reused
Internal UUID01a0ae7f-c41f-7745-a475-f62f14169ca9 · 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-2026-000047680
StatusPUBLIC

Content hashes

Canonical text1ed55203be3fa24dbe7376e1ea94174ace19f7d58a75ea7ce30a6847d5a3d488
Markdownee75a57c5b666a5d5f371773b5660de7f17b92be8d983eb7d18aa979c268021e
PDF
Publication page98c72cf7f93d00386c5b58ee04c2a132afd2ddfb13b205ece82bdcc4ed1d59ae
Manifest6c5e3bcd40ae06db91bcde30e41192c63a7966442091601acbf890c9d617eeef

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
SignatureRByR77GxxJ/vmzixaW2sX8qftSfYuTJGUHrPoiCcg2pSl0Le44tqxpCgR0Z6iIITgwbJyLxJsndQNPgyHWFKBg==
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

2026-09-17T11:05:31.622375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047680
observed 98c72cf7f93d00386c5b58ee04c2a132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.604519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047680/manifest.json
observed 6c5e3bcd40ae06db91bcde30e41192c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.585587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047680/publication.md
observed ee75a57c5b666a5d5f371773b5660de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.564959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047680/publication.txt
observed 1ed55203be3fa24dbe7376e1ea94174a...
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.