OpenTechnical

OT-2026-000044943

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000044943) never changes.

Identity and time

Publication numberOT-2026-000044943 · never reused
Internal UUID01a0ae7c-911c-73ea-93eb-a1086cbfc261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044943
StatusPUBLIC

Content hashes

Canonical text72bf319641892fc42455564517019dbfafa593990138e853bb9e4c1dca3b6dcc
Markdown1a3a805bee9d794779a2e24f26a12ef138e8459fc2f0e4feed47acfe5c15ece2
PDF
Publication page5767972d6c0dea6284f1d71914c95a3f9076b76792c7f15338538a18cb71b3ab
Manifestfe611aac27c8a4b7f22285fda29b5e62ab078b1113318db1794c4b06838c327c

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
SignatureQ+WX9yr7emI+zqgGqPxIGE6MYuiE/FoyYT+5ZFXAkxfH0Jt1RmwcDkxjApasYiwd+wmPT0l84k9AOVZn9zEtCQ==
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

2026-09-17T11:11:37.345275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044943
observed 5767972d6c0dea6284f1d71914c95a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.325958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044943/manifest.json
observed fe611aac27c8a4b7f22285fda29b5e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.307245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044943/publication.md
observed 1a3a805bee9d794779a2e24f26a12ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.286776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044943/publication.txt
observed 72bf319641892fc42455564517019dbf...
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.