OpenTechnical

OT-2026-000018702

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000018702) never changes.

Identity and time

Publication numberOT-2026-000018702 · never reused
Internal UUID01a0ae6e-d520-715d-98d4-c1b6b3a0c132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018702
StatusPUBLIC

Content hashes

Canonical text65b95972ec5a6e4e5b6e5d79c6c3fb21f51f70865ef16328913471649f725bc7
Markdown3492c16b106a4b91d601d76cead53edbfd41ee918a5408ab4113a85cb65e398f
PDF
Publication page9aa84ba9d28df89f1933286c0d63021aec960acb5c258b99cacce0791faab99d
Manifest5eff626e512580309eaf39bd4cfc9680b912d97d5d13f27ab995f66682d3d9db

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
SignaturejVqRxOcpmBUfhJcEorlCpvcIAZT1E3IqdmYew+HlpbdjREXA/HyZl5uQNoTiEbHVvhY2BFOCvMVf1785fK2wDw==
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

2026-09-17T11:59:18.268867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018702
observed 9aa84ba9d28df89f1933286c0d63021a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.250495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018702/manifest.json
observed 5eff626e512580309eaf39bd4cfc9680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.231698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018702/publication.md
observed 3492c16b106a4b91d601d76cead53edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.213824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018702/publication.txt
observed 65b95972ec5a6e4e5b6e5d79c6c3fb21...
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.