OpenTechnical

OT-2026-000039175

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000039175) never changes.

Identity and time

Publication numberOT-2026-000039175 · never reused
Internal UUID01a0ae78-9673-7f2b-bf9e-ffd5cc67387f · 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-2026-000039175
StatusPUBLIC

Content hashes

Canonical textcc28943a2b1a8dbf9cc931d53881f538fe1b29492560a5c985195e8c9d221ffc
Markdown8c508aafe938b7c148c1d9b32a222ea6c2121fd79dd82ec5888fe79bae534c61
PDF
Publication pagef7a0a4e034f8fa420eda29769da56425ce9dff23be6deb528dfcda60f19c5a46
Manifest0a3e1953701c1e43bd7b49167e12acc1d4bafa1b15a7ee7fc39a5d3da8714b58

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
Signaturety4gEZO7CqJ4uzWg+FzqYQEoNnSYAph8lcMdoxLr+Hiupjv4HBLGIUJ37eIBjymac9tsAKjwrj7/IXDHFElLBg==
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

2026-09-17T11:20:41.888506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039175
observed f7a0a4e034f8fa420eda29769da56425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.870629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039175/manifest.json
observed 0a3e1953701c1e43bd7b49167e12acc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.851689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039175/publication.md
observed 8c508aafe938b7c148c1d9b32a222ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.834158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039175/publication.txt
observed cc28943a2b1a8dbf9cc931d53881f538...
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.