OpenTechnical

OT-2026-000033555

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000033555) never changes.

Identity and time

Publication numberOT-2026-000033555 · never reused
Internal UUID01a0ae75-a38e-7684-85c1-1600ab7a07b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033555
StatusPUBLIC

Content hashes

Canonical textcd0757c8bfc1f9733b21d84a7717663afad3c43e764192a668e1977a33bdc37f
Markdown2ecb61394eb095b38a5c020a0d47ec3173e36fb6c545483d37ce1cd4ba310542
PDF
Publication pagec827ac975e2958c3b48b270addefe7a70273cb4bb91ec3a8b1a3e45dd8a4fbb1
Manifest134d24da6dc91a895e4b5956a47218b23c621965a2dedb34b91ef3a7d17d420f

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
SignatureU20TJbDgWIAyV5HhiKp0C3WLV8/VygUcdmkvGaH1dXCE8ztnJx+U/u3mt9oAqE72l32r644R85xX7An6LdHwCA==
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

2026-09-17T11:31:25.242421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033555
observed c827ac975e2958c3b48b270addefe7a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.224753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033555/manifest.json
observed 134d24da6dc91a895e4b5956a47218b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.203299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033555/publication.md
observed 2ecb61394eb095b38a5c020a0d47ec31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.177892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033555/publication.txt
observed cd0757c8bfc1f9733b21d84a7717663a...
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.