OpenTechnical

OT-2026-000082180

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000082180) never changes.

Identity and time

Publication numberOT-2026-000082180 · never reused
Internal UUID01a0ae97-4d93-7e24-97b6-5255eae9ae51 · 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-2026-000082180
StatusPUBLIC

Content hashes

Canonical text8f941f402c7402a2b86af0040356c06ba822913264efb5069ce50ca7584df169
Markdown15d11e6040b34f3746739ed2d9d0f7e8511eb542ec835a66d13c2bed29e6d3e7
PDF
Publication page207e50c3dc675899882fef0e36ace1723f0e085b66434b30bf9249cef9bbaeed
Manifest5264efdef441d263838d44d0480a1dc0aba857fc5d8df6022a9ddebaf3d759f8

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
SignaturetzH4svv89TzJxz1q/ulrw2PZwFDEyoJFth5zbrRFWx5OGhTzyLuk3DideYHDoqKtmmW8OIYGHrlsvTzTjzeXBQ==
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

2026-09-17T09:59:00.470647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082180
observed 207e50c3dc675899882fef0e36ace172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.452541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082180/manifest.json
observed 5264efdef441d263838d44d0480a1dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.434976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082180/publication.md
observed 15d11e6040b34f3746739ed2d9d0f7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.418666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082180/publication.txt
observed 8f941f402c7402a2b86af0040356c06b...
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.