OpenTechnical

OT-2026-000039084

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000039084) never changes.

Identity and time

Publication numberOT-2026-000039084 · never reused
Internal UUID01a0ae78-9672-7c19-bc83-4e5e0080e373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039084
StatusPUBLIC

Content hashes

Canonical text9c1d3671d1b3e32e6742784709667c8346caf6be7ae880f9c224b40fb03c3b91
Markdown43637b78c4864ec0cdbc5b516ea3617182ea0c0a052839ba200f355f89660af0
PDF
Publication page877673de5b3b5cbd7d364fec02eef81c04d40364b95c2f532cf69b01d9fda025
Manifest0015284d129da48654e1cce5ad9f8e0911a0cccdc647972ab14614acf7a97975

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
Signatureumlg73qH1kRkA8zM9CCKoxstxk+55hw5CsY7ttu6Pw2bUqQ6FbmLRhr4tB6YBVYvToWVF6/zB/5y5dlPIQ5qBA==
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

2026-09-17T11:20:33.920015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039084
observed 877673de5b3b5cbd7d364fec02eef81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.899212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039084/manifest.json
observed 0015284d129da48654e1cce5ad9f8e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.878318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039084/publication.md
observed 43637b78c4864ec0cdbc5b516ea36171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.858328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039084/publication.txt
observed 9c1d3671d1b3e32e6742784709667c83...
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.