OpenTechnical

OT-2026-000059972

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off 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-2026-000059972) never changes.

Identity and time

Publication numberOT-2026-000059972 · never reused
Internal UUID01a0ae89-ec26-7489-b51c-5e2ba105fbbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059972
StatusPUBLIC

Content hashes

Canonical text57844224eb8011410efe17b1fd7e92ef830d128196917f47acd16e0bd9076234
Markdown311309ce2501827bc6f7778546d14efb3ab525ed49b7e631d71c526d959aa83a
PDF
Publication pagebd27bf3256e43766f119456f60e669b9ac188a40d8ce4024b7d5e527c52a7fa3
Manifest133f7cc904190acc3238ad0245fbeda4541fcf13c69b5ee1c52a602ce7badb1b

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
SignatureO8EBYGikje3aj+WiNhsAsw0VBWfLFdX5UNNsbolgxZcofulHTvKPuaeGYrsOfTPi5bVShE24aAXf35XzrWNsCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:45.476237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059972
observed bd27bf3256e43766f119456f60e669b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:45.456991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059972/manifest.json
observed 133f7cc904190acc3238ad0245fbeda4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:45.436720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059972/publication.md
observed 311309ce2501827bc6f7778546d14efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:45.420831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059972/publication.txt
observed 57844224eb8011410efe17b1fd7e92ef...
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.