OpenTechnical

OT-2026-000033147

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000033147) never changes.

Identity and time

Publication numberOT-2026-000033147 · never reused
Internal UUID01a0ae75-4844-77e2-81c3-82f7dbfa257e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033147
StatusPUBLIC

Content hashes

Canonical textabf37abb134d4c367ccd59f8fe03f0a213f01cb260940b8b8eb7962289ccdd41
Markdownf8d5f3ad118a8765c780ff46292e257a4220336c6d64339e70f8051f1a96fe41
PDF
Publication page4fbb52a156287d0d0caabf8461c4bcdc711142d824c9285c6c5d9ca90c38e7b7
Manifest11f4e569c2b89b8e673ec05c7ba133f4960a547835a1b08d6fd83c783efc40de

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
Signature3s3JQiCVu4hdOAY0ACvejV3psIJf0T6P8f1jApCYd848yh17OHH1+g01fsE8zgw/Gvs20zJZeVgRn18zY6OoBA==
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

2026-09-17T11:32:49.960847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033147
observed 4fbb52a156287d0d0caabf8461c4bcdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.935621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033147/manifest.json
observed 11f4e569c2b89b8e673ec05c7ba133f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.917174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033147/publication.md
observed f8d5f3ad118a8765c780ff46292e257a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.892787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033147/publication.txt
observed abf37abb134d4c367ccd59f8fe03f0a2...
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.