OpenTechnical

OT-2026-000045281

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000045281) never changes.

Identity and time

Publication numberOT-2026-000045281 · never reused
Internal UUID01a0ae7c-f76a-7f2b-9a77-06b95889f6d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045281
StatusPUBLIC

Content hashes

Canonical text155bb69d06d55500df6a3e2276aa5e5f86fe40d614b77d3048d82e79a7bc19e0
Markdown1beaa60efd15919af82f1fef69b01036df6446037756e7603c0b357eeb12225b
PDF
Publication page9e272b17f3933da5d7777e6b3c43dc71aced58323527c1b664a3d4a4fd1ebd11
Manifestbf20646c641200edd922c8c58ae42b304ce4060948ac68e9cda7f5dc24b7e63f

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
SignatureuqizEehQ2Cklwqh9nfT6/a2n34kjt1NZTYN64TZTNkKnilbn/y3j0gPU31pMzec0TsfJp6XQilmYUXBWmWS7DQ==
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

2026-09-17T11:10:29.754850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045281
observed 9e272b17f3933da5d7777e6b3c43dc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.734079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045281/manifest.json
observed bf20646c641200edd922c8c58ae42b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.714755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045281/publication.md
observed 1beaa60efd15919af82f1fef69b01036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.694117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045281/publication.txt
observed 155bb69d06d55500df6a3e2276aa5e5f...
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.