OpenTechnical

OT-2026-000073083

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000073083) never changes.

Identity and time

Publication numberOT-2026-000073083 · never reused
Internal UUID01a0ae92-c816-76e5-87fe-954bad1e7874 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073083
StatusPUBLIC

Content hashes

Canonical text434501f0a25eae0c580607a3daca93146725ee33ec9c47530e78594f0312a8d2
Markdownd65971f965fb93291d975dc39fe3c93be52f07b0a2cf262f471443c838a174ac
PDF
Publication paged2d9180ea5dce7dea4860a41eb0315446358e6b9c9681c914fa3b09aa0d0428c
Manifestbc480b0e6f3af7ba4000f3d576911ca9c8ec269dd3c386ac994a64b02411db79

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
SignatureAx2i+lTn8T2kbDrTh08IvCK+yZBmepZLZZ/sX+PiOljYxs9+ZdQst82LzO/SOSbUxtm915GSabvYSJw+9ty4AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:02.100636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073083
observed d2d9180ea5dce7dea4860a41eb031544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.083350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073083/manifest.json
observed bc480b0e6f3af7ba4000f3d576911ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.067490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073083/publication.md
observed d65971f965fb93291d975dc39fe3c93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.051116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073083/publication.txt
observed 434501f0a25eae0c580607a3daca9314...
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.