OpenTechnical

OT-2026-000017609

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000017609) never changes.

Identity and time

Publication numberOT-2026-000017609 · never reused
Internal UUID01a0ae6e-96f9-7d19-ab25-832d5aa5a4b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017609
StatusPUBLIC

Content hashes

Canonical text41407d69561d28025055293cf91cab1b5f06b61e9e7a770cdd65502dfacb2e24
Markdowne6bc550a88418a7a2e24205d7dcb4bc39bf61b8a2dc6fff1f6b49a7daa9c2d0c
PDF
Publication pagee2f3bf39bac1efc86b1d9e7529ad8bd4900662e49bf782d619b1faf187825ff6
Manifest4b7023513c3d8eb3fc3675bc271449097a62d3df88ab95dc67d8f476393dab85

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
SignatureQ09I6wdtbsGyrN8lvSNXlUrEYK2KYIUpe3+G6G3JSvlf0Ssy0SqqtWG9iQ8u9nmKDnzpGL6ndjdyRHlf/1k3Ag==
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

2026-09-17T12:01:24.942981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017609
observed e2f3bf39bac1efc86b1d9e7529ad8bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.925368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017609/manifest.json
observed 4b7023513c3d8eb3fc3675bc27144909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.908305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017609/publication.md
observed e6bc550a88418a7a2e24205d7dcb4bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.891105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017609/publication.txt
observed 41407d69561d28025055293cf91cab1b...
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.