OpenTechnical

OT-2026-000037948

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000037948) never changes.

Identity and time

Publication numberOT-2026-000037948 · never reused
Internal UUID01a0ae77-f88a-7436-a22b-3448cbb8eb0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037948
StatusPUBLIC

Content hashes

Canonical text2bbc759721fd0d33c88b794418dfbf4f81014ca6f065295509de931dc13e0c20
Markdown53f27d187004d9f80bbd4d28ef703a4e14815670127987787683b83dedd38ca2
PDF
Publication page1eeb66b58cb02ef7177853d01d5f07989ba626021a97cfb27745a246a19fd737
Manifest1e5a5d1a10dd7ef51fe7709681a957176075620cb617dec92b1f157c76ff71d0

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
Signature39QM5mMKIwZO+yxCujzsNA2utE5JhrDKbncjUIb1VveyfA3p70tTDCRN+wmxbTxxEDN2e3avxD6O85yIJjKNBA==
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

2026-09-17T11:23:14.089613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037948
observed 1eeb66b58cb02ef7177853d01d5f0798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.073264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037948/manifest.json
observed 1e5a5d1a10dd7ef51fe7709681a95717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.054937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037948/publication.md
observed 53f27d187004d9f80bbd4d28ef703a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:14.016274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037948/publication.txt
observed 2bbc759721fd0d33c88b794418dfbf4f...
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.