OpenTechnical

OT-2026-000082007

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000082007) never changes.

Identity and time

Publication numberOT-2026-000082007 · never reused
Internal UUID01a0ae97-4d92-7f15-a4ae-ddf3a7c4ab28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082007
StatusPUBLIC

Content hashes

Canonical text27fb90738d658260bd01516ab7e225b02b265af2570c2b6e86af78b896d0c768
Markdownbff3f302499f3c168b2c8bcf702b38cee6d753459aa2e9524d760964c68ce3bb
PDF
Publication page81d1fc2daa0985cc177bb4275b92c7647f63811e228e95259e30e13c285440b4
Manifest816530292ab36a78adfb3d08291d52b6ce39e310f4737bb4a1c29f950b818a01

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
SignaturedyeVIO2iKsdMcjIXPdR66F/NjruSvmZjLBuHtsg14l3lPtAp5e/0pA0nvMxBfa4n/1hBafHSxv/0V6202c5oDQ==
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

2026-09-17T09:58:43.222877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082007
observed 81d1fc2daa0985cc177bb4275b92c764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.204904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082007/manifest.json
observed 816530292ab36a78adfb3d08291d52b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.188372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082007/publication.md
observed bff3f302499f3c168b2c8bcf702b38ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.171462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082007/publication.txt
observed 27fb90738d658260bd01516ab7e225b0...
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.