OpenTechnical

OT-2026-000036559

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, supply line 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-2026-000036559) never changes.

Identity and time

Publication numberOT-2026-000036559 · never reused
Internal UUID01a0ae77-46e7-71fe-b334-bebf9f8d46e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036559
StatusPUBLIC

Content hashes

Canonical text5e58599872360f7e130e86adaf982ef34413e8ff7856fc80a7505ca65e5522f1
Markdown87a23935490bb9d3286b674d388f6f7ebc57ba36b901f9ee4a346bb33df8fd7f
PDF
Publication pageda3e734f7c892ae7e86fc7dc009eb6e4f8764e3afa056b2199de1fe08e7623cd
Manifestd0ee5e8ca659da4d16eede6be52ba258f86987092c35ba8a134ff6b533607762

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
Signature2bS/N/pLm6IOjoq2SveasJd/zyfZAasgPyea5HcoWsr986S1L074jNHCHzTyEFZsftYSUPQE/rzCnZoaEpVnDA==
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

2026-09-17T11:25:46.673888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036559
observed da3e734f7c892ae7e86fc7dc009eb6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:46.657500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036559/manifest.json
observed d0ee5e8ca659da4d16eede6be52ba258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:46.641080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036559/publication.md
observed 87a23935490bb9d3286b674d388f6f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:46.625040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036559/publication.txt
observed 5e58599872360f7e130e86adaf982ef3...
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.