OpenTechnical

OT-2026-000030502

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000030502) never changes.

Identity and time

Publication numberOT-2026-000030502 · never reused
Internal UUID01a0ae73-e504-7437-a526-8acbbce56fe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030502
StatusPUBLIC

Content hashes

Canonical text8976af9673981598893cf29a4317f7a33f19161a0b1f11c40f5229082e79fe01
Markdownb74cea6f78066c2f73dd682a6a8a43ed97e3bec233d24160d08c094fbf152196
PDF
Publication page6e7003666e04e613b86ae4dab9206057e731a240a1412b215b535146e9b7d813
Manifest3d082d8d082cd763bceffb4639256b274b955cb8b5f4a80ae21677611c81cfe0

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
SignatureVAzbc0bwQytZLIK9J/gWxkgvLmJ5XNPnu0BmNXXxo6iEJNks6D5/QCLpOJk0cLUQyVY7BRznNAsvRzNYLXAoAg==
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

2026-09-17T11:38:21.486642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030502
observed 6e7003666e04e613b86ae4dab9206057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.469331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030502/manifest.json
observed 3d082d8d082cd763bceffb4639256b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.451069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030502/publication.md
observed b74cea6f78066c2f73dd682a6a8a43ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.431444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030502/publication.txt
observed 8976af9673981598893cf29a4317f7a3...
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.