OpenTechnical

OT-2026-000046593

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000046593) never changes.

Identity and time

Publication numberOT-2026-000046593 · never reused
Internal UUID01a0ae7e-57de-7c08-aa9d-490eec8098ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046593
StatusPUBLIC

Content hashes

Canonical textd345e1f6e4354260417b3e4b35faf05148bd15258a8bc672a9b412cef82e2a71
Markdownc4680ea36df2a6a45d4605d258b448ecd9855f57ac63f2ba42236d96aad8f402
PDF
Publication page976653f07b0761aa71d2c9c3e936fa287d291506d934755fed72d1ed7b604790
Manifest5d72b8d1825c548e2c80e5262921fad8ad5f634a2f2c333e2ce28dd0116be30e

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
Signatureu5PBaLeShOdeY/9FaqazhZi3uxSA1dMXk/8y1BFU4aGtcIjMgDWvrlzv+1EDDkY2HxLMFPcmdFkSLXslUyneCw==
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

2026-09-17T11:08:40.082134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046593
observed 976653f07b0761aa71d2c9c3e936fa28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.064811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046593/manifest.json
observed 5d72b8d1825c548e2c80e5262921fad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.047503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046593/publication.md
observed c4680ea36df2a6a45d4605d258b448ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.027483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046593/publication.txt
observed d345e1f6e4354260417b3e4b35faf051...
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.