OpenTechnical

OT-2026-000033819

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000033819) never changes.

Identity and time

Publication numberOT-2026-000033819 · never reused
Internal UUID01a0ae75-a391-7af9-adae-76c88ea1b849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033819
StatusPUBLIC

Content hashes

Canonical text3e22f3a4518c616d69d38931b61667d5ffb80db0d95a4cf17a328188b4ed8794
Markdown8ecab3e0d5d6c33cf5c282b5e343dfb0abae04ab2df7ae49966516cd5fad0285
PDF
Publication page50b06a6252fd3bc4e064bb6195df0942ca5d9674e59239e74d6cbeb366a8fd70
Manifest09d24a881c79fa57300e965f1fb5f4185cb91e9c718869c222c5f47224a36fa9

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
Signature1Vp23fAd1S4ytNE2kRQXu/gFP9cJWqDLZo1xmnmO91RZHk/7xGHam4djF44KpxlcUcxx4RLy2+TGAa6nVdUcCA==
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

2026-09-17T11:31:52.048637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033819
observed 50b06a6252fd3bc4e064bb6195df0942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.030271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033819/manifest.json
observed 09d24a881c79fa57300e965f1fb5f418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.010870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033819/publication.md
observed 8ecab3e0d5d6c33cf5c282b5e343dfb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.991186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033819/publication.txt
observed 3e22f3a4518c616d69d38931b61667d5...
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.