OpenTechnical

OT-2026-000014820

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000014820) never changes.

Identity and time

Publication numberOT-2026-000014820 · never reused
Internal UUID01a0ae6d-d094-71f7-a303-5ad57faf9802 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014820
StatusPUBLIC

Content hashes

Canonical text19ec19f11343706e56b248842aaf58e4de05f68de028729b9c84f2fb8682259d
Markdown2e751e84175d2f6003c792e73c15c4ba8b2201c3e42d90bfdd6470a527ca8c0f
PDF
Publication pageedd983773876d3e224b007e62779db8b70cc33e0350bc471d8c2987b4a4902e9
Manifest2561f98ee8b12fd4fb917b4409c32902fad91ea72f391372fe2e3bdbae7d1c2a

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
SignatureguFLScM/uHrUVa8oJ0nR5OIi7aiNvGf5+vuCJXWmfCDT0PuwSDKPo0wzERms78ky/qP3gOplkZxLQ/kyF8HIAQ==
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

2026-09-17T12:06:43.305618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014820
observed edd983773876d3e224b007e62779db8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.283362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014820/manifest.json
observed 2561f98ee8b12fd4fb917b4409c32902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.263327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014820/publication.md
observed 2e751e84175d2f6003c792e73c15c4ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.245697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014820/publication.txt
observed 19ec19f11343706e56b248842aaf58e4...
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.