OpenTechnical

OT-2026-000041037

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000041037) never changes.

Identity and time

Publication numberOT-2026-000041037 · never reused
Internal UUID01a0ae79-b10e-7d2b-9dec-470dfc3560dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041037
StatusPUBLIC

Content hashes

Canonical text1af35ed5dee4a36e1391ce0315c7edb6f3ad6704cb8353f47f32e7dfb407595a
Markdowne73de86ff7814f7e51786a09f360887163c20b401fd4f15d276c5a2eac8a2ce6
PDF
Publication pagec1ed393c74e3919b22a95b6cc60d48c550667192ed6499e6bd6d6733ea164172
Manifest16a1ac0db4cb120af60fa4f3d5b1325c17658788511ca9c864e718391a33beff

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
SignatureOwIcoNvgovPDlutA6RMv7lbnTxAY52HjulvfncmxSkcXjIHbZLVycT7BRzE28R1DOBE5rTwBfnXETXCUG8EvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:56.823903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041037
observed c1ed393c74e3919b22a95b6cc60d48c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.808434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041037/manifest.json
observed 16a1ac0db4cb120af60fa4f3d5b1325c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.792006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041037/publication.md
observed e73de86ff7814f7e51786a09f3608871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.775476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041037/publication.txt
observed 1af35ed5dee4a36e1391ce0315c7edb6...
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.