OpenTechnical

OT-2026-000052323

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000052323) never changes.

Identity and time

Publication numberOT-2026-000052323 · never reused
Internal UUID01a0ae83-e791-7d30-8e97-ca07948dec9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052323
StatusPUBLIC

Content hashes

Canonical textfd8ac3968568f024817f599eaa4e347fbfb35c73f2f8c93f28082ae6cc29134c
Markdowndccbe9b3313f343c2f743458a5581e105584a0837ca52fa93757cd1d5975f745
PDF
Publication page89204a603250ac63264aa206ced2e74925232acd3f9b6988cad70ed3323b939a
Manifest9d0606d95e87111dfa667c0016c09dbc53bb3fd2a754c84e4a06da88c0b0cfec

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
SignatureXv5203XZ5GocRNXIX31d/vR0db8uBF3beeNERTh+OlxJi2kJtC3MJrCpvWLeqJVRlSx6KHBq6ZLxf278oWm1Dg==
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

2026-09-17T10:58:00.660221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052323
observed 89204a603250ac63264aa206ced2e749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:00.642502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052323/manifest.json
observed 9d0606d95e87111dfa667c0016c09dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:00.624410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052323/publication.md
observed dccbe9b3313f343c2f743458a5581e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:00.605888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052323/publication.txt
observed fd8ac3968568f024817f599eaa4e347f...
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.