OpenTechnical

OT-2026-000054307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000054307) never changes.

Identity and time

Publication numberOT-2026-000054307 · never reused
Internal UUID01a0ae85-b3a9-733a-832f-0c924203c087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054307
StatusPUBLIC

Content hashes

Canonical texted462a93c6ec788de086376039777b7d70774012da2e5cfc30506ad6966c9bac
Markdown709733c81118b486c3e33a612b82158ef69af56ea9e7ed9d6895d4d62177a3bc
PDF
Publication page3b797ece83b13450e24e7b0a2fec9e7f5a5060a40f778d09b7a471b70e52ee67
Manifestd816dbd87d11b68526c516111a83d8bbfc3d2730956c6f6edbf6d248e1cc0e24

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
SignatureFNTS7WglQ/ALRNGVe41ppzVTa7UXXXzrEk+s4+KUnZmb88MWIiKHYCFbI7GQ+5KOmb484cUNVSTevgHnMxkwCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:48.693353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054307
observed 3b797ece83b13450e24e7b0a2fec9e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.673146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054307/manifest.json
observed d816dbd87d11b68526c516111a83d8bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.654837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054307/publication.md
observed 709733c81118b486c3e33a612b82158e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.634963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054307/publication.txt
observed ed462a93c6ec788de086376039777b7d...
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.