OpenTechnical

OT-2026-000037047

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000037047) never changes.

Identity and time

Publication numberOT-2026-000037047 · never reused
Internal UUID01a0ae77-7740-7c93-8a9d-7e7b878d9601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037047
StatusPUBLIC

Content hashes

Canonical textd9d67b92e2497325640438969bca08c4dff8ad92c9113433684cd8a54f41896a
Markdown5a5932c7e8ff14ee371ec1f1da35d23bdc0f7af8922561ed9f85f8304b3e6c91
PDF
Publication page9b2450669762ef890309cd8d7982d5add19e781c29dbca4c79d81a19c367b564
Manifestf7609b10d1c85e51b59b7d723b22ae54e7d996dd42c8be480989997da85a5ac8

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
SignaturebcytqjTqSIV+1fzEjrNJL5Gjk/mJdGKQH2YuSpmN8Eikb0oF1SSe5YLXYcj0t+FPINYGewvPilJLTxfh0e1FBA==
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

2026-09-17T11:24:53.863239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037047
observed 9b2450669762ef890309cd8d7982d5ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:53.842367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037047/manifest.json
observed f7609b10d1c85e51b59b7d723b22ae54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:53.823171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037047/publication.md
observed 5a5932c7e8ff14ee371ec1f1da35d23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:53.799038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037047/publication.txt
observed d9d67b92e2497325640438969bca08c4...
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.