OpenTechnical

OT-2026-000018570

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000018570) never changes.

Identity and time

Publication numberOT-2026-000018570 · never reused
Internal UUID01a0ae6e-b48b-799a-8389-3bfe4d836b8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018570
StatusPUBLIC

Content hashes

Canonical text1847dfc693e7fa39f87b093911773363c7f204d09956a0dc1dac4b9d0e732a6a
Markdown17adc179e7d2e72bcc92015cb8a8907308e787cce47a9e00ad0ab2105019fec7
PDF
Publication page4b056bf07bd99941b1652d5d091c899e21395aab53dd1fb15847a7067c66432d
Manifestb1957cf448c0785a83be8faea3128036c9afeb2993344bfb0f549858a9469d30

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
SignatureLxb0TpDpSSpQnQJLt+ysr8z7X598Xc818O46lYNXfTc40vHMacgbzuDKYrNRvzzZjvy8dskEriPEFCa8I7mYBQ==
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

2026-09-17T12:01:22.335094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018570
observed 4b056bf07bd99941b1652d5d091c899e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.318396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018570/manifest.json
observed b1957cf448c0785a83be8faea3128036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.301701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018570/publication.md
observed 17adc179e7d2e72bcc92015cb8a89073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.284424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018570/publication.txt
observed 1847dfc693e7fa39f87b093911773363...
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.