OpenTechnical

OT-2026-000018590

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000018590) never changes.

Identity and time

Publication numberOT-2026-000018590 · never reused
Internal UUID01a0ae6e-b48b-7791-a4c6-274f9e4a10f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018590
StatusPUBLIC

Content hashes

Canonical text2793459cdc840b3d42ed408b3a1ca64d54755843aca9d93f77458a3fc9930a3e
Markdownedfec35beaf3878529dc19e7b63666f795a7ba3e7ded65c29223bd38aed805cd
PDF
Publication page9e9b9ddb9892cf97d691cb47fabe3fd0904f47b5af6491f3ddde299ae98b37fb
Manifest0e9e53060bbbec14f866472a2afd4591a371308809ac25cf2baa7718f28927a2

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
SignaturegLb3Pa2GWqb5G2kvxjAiekfI/yaQeXfO0u0NxV2hcPuVDSdX5gMw+g9jcIT2QOsR4mkMb43GHRr4GZiBYqoLAw==
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

2026-09-17T12:01:23.681387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018590
observed 9e9b9ddb9892cf97d691cb47fabe3fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.664613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018590/manifest.json
observed 0e9e53060bbbec14f866472a2afd4591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.647498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018590/publication.md
observed edfec35beaf3878529dc19e7b63666f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.631723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018590/publication.txt
observed 2793459cdc840b3d42ed408b3a1ca64d...
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.