OpenTechnical

OT-2026-000038551

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000038551) never changes.

Identity and time

Publication numberOT-2026-000038551 · never reused
Internal UUID01a0ae78-2d54-7cdb-91bd-ae3a7bb56c91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038551
StatusPUBLIC

Content hashes

Canonical text112c9dd191a3374109ff4184e2ca5d4296aacecab4ca1ba322e86f8aa77d2f70
Markdown49509d9d38a5dd33d8aae28fd95a58eef1be530cba623c6d0f801062f67bcab8
PDF
Publication page65f4aa91fc5ef9090dffbf173f4bb0f6a0a2b25f4ce20ae538fcdb91de41f684
Manifest706fa12829eef050d383b9a5dd5433d18e5758d7495844f892b9883d3d63eeb5

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
SignatureFcPMzff40w4vtDne6Oz2B2PP8BRvO1V1kw6RcrBDydeOHPyX1hVdBzzv+pBG82+Y7i17DM/HRPSo4pDoi/rpDA==
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

2026-09-17T11:22:48.881391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038551
observed 65f4aa91fc5ef9090dffbf173f4bb0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.864288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038551/manifest.json
observed 706fa12829eef050d383b9a5dd5433d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.846535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038551/publication.md
observed 49509d9d38a5dd33d8aae28fd95a58ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.829324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038551/publication.txt
observed 112c9dd191a3374109ff4184e2ca5d42...
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.