OpenTechnical

OT-2026-000033407

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000033407) never changes.

Identity and time

Publication numberOT-2026-000033407 · never reused
Internal UUID01a0ae75-8980-7326-b3cd-753192858823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033407
StatusPUBLIC

Content hashes

Canonical text71fbef31c6aac408715b07e9f633a8689b67a7cffe32ae932a7f8c7b6d189dff
Markdown1b3647c1345f3c45a1c42f4c474de3ef443c538a3dd161e8b831ccf3d62038eb
PDF
Publication page5672f2de5adfb57b08eb5564d1cb9e7f1e7179e71909b8cb4a518f47a6cbb064
Manifestd9739bbb7b26d44c4841a54134c5e34371c8de9e2aec78a0c2866885cf7d6f68

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
SignatureAOfSMUMgaCu00/ah+EgIgE/3oEl/0dpiocDUYVUJaD6bnfo5gQ2tAEZ6bRC0VtRWfOfibpKoL9PqYorQ0+b0AQ==
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

2026-09-17T11:32:11.343376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033407
observed 5672f2de5adfb57b08eb5564d1cb9e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.324598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033407/manifest.json
observed d9739bbb7b26d44c4841a54134c5e343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.306740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033407/publication.md
observed 1b3647c1345f3c45a1c42f4c474de3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.290077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033407/publication.txt
observed 71fbef31c6aac408715b07e9f633a868...
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.