OpenTechnical

OT-2026-000086059

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump 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-2026-000086059) never changes.

Identity and time

Publication numberOT-2026-000086059 · never reused
Internal UUID01a0ae99-e82b-7ec0-9018-97d59699e77d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086059
StatusPUBLIC

Content hashes

Canonical textf701652aaefacbfff96338887eac89c93d6f8f13293651a6266823bcc6b5eef3
Markdown40beef7c69f2b06199dcd13fd9ba1854bb48ca968c8337eb821f9e6a76a5d9e9
PDF
Publication page0ab2f70246e22d43a55cd25d683854a0abb3dac39100fed4e4645d8ac9efb173
Manifest0fc10a257a34cbd0f4b9f487086b164581171cd54bdc494a725e4329faac26aa

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
SignatureeFhFBSsSqWt0tglNlLH9LQhWDvp3XZjSEFN1PtxbQ5qlFL3AjOQKkCZWNLIwvD8jHsB0qAuI+/nZ5oTBlThKAw==
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

2026-09-17T09:53:03.370724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086059
observed 0ab2f70246e22d43a55cd25d683854a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.355600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086059/manifest.json
observed 0fc10a257a34cbd0f4b9f487086b1645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.339125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086059/publication.md
observed 40beef7c69f2b06199dcd13fd9ba1854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.322177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086059/publication.txt
observed f701652aaefacbfff96338887eac89c9...
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.