OpenTechnical

OT-2026-000084690

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000084690) never changes.

Identity and time

Publication numberOT-2026-000084690 · never reused
Internal UUID01a0ae98-e25d-7073-98b9-d937130c14e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084690
StatusPUBLIC

Content hashes

Canonical textc955903157c66f7cb8b1b89ed7f3408e0ac5a36d2c021753c23adb02a0a27089
Markdown702017da15a9fa4481b5dca9b8ff46f896c39ebd6b977906925d156085a673a7
PDF
Publication page9dcab4c5bf07e734e988e88968c395570a4f06ea8bd3437138937af402ab6b09
Manifest4670ec23f1a077ed2e9219e0a17c03d210f880394871167ec082d64a64da0191

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
SignatureXL+eXjIYMGMmXk7bDyX7DAJ1/aKCQMmPwXGfCVKf/srSFSZ/k15FCgds5u4qffHddzsLXe66MgFIdsg1xt/VAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:37.312827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084690
observed 9dcab4c5bf07e734e988e88968c39557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.292527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084690/manifest.json
observed 4670ec23f1a077ed2e9219e0a17c03d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.273849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084690/publication.md
observed 702017da15a9fa4481b5dca9b8ff46f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.255836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084690/publication.txt
observed c955903157c66f7cb8b1b89ed7f3408e...
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.