OpenTechnical

OT-2026-000031369

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000031369) never changes.

Identity and time

Publication numberOT-2026-000031369 · never reused
Internal UUID01a0ae74-87ad-7b12-911b-197b987d3735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031369
StatusPUBLIC

Content hashes

Canonical text491a52cb51c14a8fce6d0ccb119772b88be45b32bedb0f28e0f0c71bede8d8d1
Markdown7fc4c83499e4caf020b887f1b92a9929de11f345112711b757beda2d45528e08
PDF
Publication page032788fb05d19c8e73173dafc4333586c9a6b3999515aa02617ef84d959db643
Manifest28bf8eb8ba94bd7b9eafb3d95b00905f6962ebe6ed2a5151e2e7c1feed0b5e72

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
Signaturew4qmF4jb/q5dt+2OH6npqCb6aH/LXyMJyozRCqeXYZUDBO38BIDyKT2yc4OqiAYBWF4mMWQyrmxCTUWwQhhhCA==
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

2026-09-17T11:36:04.374829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031369
observed 032788fb05d19c8e73173dafc4333586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.356937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031369/manifest.json
observed 28bf8eb8ba94bd7b9eafb3d95b00905f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.339265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031369/publication.md
observed 7fc4c83499e4caf020b887f1b92a9929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.317576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031369/publication.txt
observed 491a52cb51c14a8fce6d0ccb119772b8...
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.