OpenTechnical

OT-2026-000019280

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000019280) never changes.

Identity and time

Publication numberOT-2026-000019280 · never reused
Internal UUID01a0ae6e-f392-7590-8c36-dbd4b3a40cfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019280
StatusPUBLIC

Content hashes

Canonical texta6b09276a8d6e2837816e4b76d9b5df66141a5c74ff9b32aa8d1d2a3c8632794
Markdown9b70072b5a984b537ace4281d2f5272d2a55913d42648078deac2d026146a281
PDF
Publication pagee918fcaaeddef92bc89ebadae52318a68bc5159513ae590307c5f80749b3ab98
Manifest41e94bfb88c12957168e042c3673807d4916e6c90f093e7b5f6d14c8e45db9a7

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
SignatureeVpkWH1cr6vyjbz5LrrU+QA9gYZXlEQONE4U7SVOmnNYgq5nfowCVb5vXzqGjMDBCoz8/RwxBSRog/nIGafaCA==
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

2026-09-17T11:58:37.841209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019280
observed e918fcaaeddef92bc89ebadae52318a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.822422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019280/manifest.json
observed 41e94bfb88c12957168e042c3673807d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.803781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019280/publication.md
observed 9b70072b5a984b537ace4281d2f5272d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.782561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019280/publication.txt
observed a6b09276a8d6e2837816e4b76d9b5df6...
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.