OpenTechnical

OT-2026-000086699

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000086699) never changes.

Identity and time

Publication numberOT-2026-000086699 · never reused
Internal UUID01a0ae9a-2c99-795e-bbc8-c09293cb0e48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086699
StatusPUBLIC

Content hashes

Canonical text6c0ed9524746b73b30baaaf6e1e7ce5f713a18cfefeef4cf410076e745d128d5
Markdownc1aacbed25077dfd2c467f0ab7dc034c483e2635f2dc96d3717fbee9920e805f
PDF
Publication page8d599b63b43f2d62fa06090345aa1b1426ccb0f01a668acb5c7321cc875a6d7d
Manifest98db9fb198afbeab84df20d4951115c2fea7eda57d321991aca3b9972398deda

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
SignatureKBv1ZlU1nAotO3hHUfwI3TzqH3DbP6CegsOgISGb4KURceytXGMb8a8XnrImTqSNRewCKE9NZ/xvBBeTLBveBQ==
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

2026-09-17T09:52:34.239339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086699
observed 8d599b63b43f2d62fa06090345aa1b14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:34.205921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086699/manifest.json
observed 98db9fb198afbeab84df20d4951115c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:34.188647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086699/publication.md
observed c1aacbed25077dfd2c467f0ab7dc034c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:34.165480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086699/publication.txt
observed 6c0ed9524746b73b30baaaf6e1e7ce5f...
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.