OpenTechnical

OT-2026-000021736

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000021736) never changes.

Identity and time

Publication numberOT-2026-000021736 · never reused
Internal UUID01a0ae6f-bb5a-7ac3-9818-f6a8f0bb2909 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021736
StatusPUBLIC

Content hashes

Canonical textf7260aec3c83355fa619db570357e836fa7d2c8ad7a045ef34324b509ec70910
Markdownf2e0a588d6d0463194ffb2f103d0fd6840fdcdf84d3e62e0bacd065ae3b55bea
PDF
Publication page17dd6f600c8361311fda5d23798ee17af2787fc19149d2831e1da2d656b2e122
Manifest1e1b34afe2796e315599833b48c30083bc2fbe56b02eee397ea75700f0ebeaa3

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
SignatureLEWzgmS0epW9h2ddAd1s1WOjw7MULuyH0Sw+gqeq/KfIUqO8uD18L9E88hjOxHtcmMPndor4McYnmhltnpCZDA==
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

2026-09-17T11:54:16.561389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021736
observed 17dd6f600c8361311fda5d23798ee17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:16.542840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021736/manifest.json
observed 1e1b34afe2796e315599833b48c30083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:16.522702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021736/publication.md
observed f2e0a588d6d0463194ffb2f103d0fd68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:16.506446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021736/publication.txt
observed f7260aec3c83355fa619db570357e836...
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.