OpenTechnical

OT-2026-000018019

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000018019) never changes.

Identity and time

Publication numberOT-2026-000018019 · never reused
Internal UUID01a0ae6e-96fc-7e71-a491-aa9a18ae79e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018019
StatusPUBLIC

Content hashes

Canonical texte4cb0aca02d0b5bba1a3d59313f460ce79a34a063b14158d775803ba710ac8c5
Markdownd9c68d78daf675f600e2259b63743848f20d05b4f3e981e477a6e81375751e56
PDF
Publication pageded1e27d1f099d342336969b400f91ecd247d04eb0d01bc344de005f61084235
Manifest1abe0aa925fb866628c8a3a40802e93cc2850d7b48007c5469f770e6c32db712

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
SignaturetO1rvYhK/TQ0JzcM07Z4cSCgA/8BkJ0awCP/6u5JFDM6PLVWTITqWYi+qq23BDyBgdll5ydg+W2K2gRRzDFFCw==
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

2026-09-17T12:02:02.647411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018019
observed ded1e27d1f099d342336969b400f91ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.629574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018019/manifest.json
observed 1abe0aa925fb866628c8a3a40802e93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.612485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018019/publication.md
observed d9c68d78daf675f600e2259b63743848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.596256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018019/publication.txt
observed e4cb0aca02d0b5bba1a3d59313f460ce...
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.