OpenTechnical

OT-2026-000018535

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000018535) never changes.

Identity and time

Publication numberOT-2026-000018535 · never reused
Internal UUID01a0ae6e-b48a-7c3f-8725-9d90f68880d2 · 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-2026-000018535
StatusPUBLIC

Content hashes

Canonical text0e32582937dd8cf9c00e901fa2f85f702ffac53a8958b48f0b1a9ddba59b36eb
Markdownc5599c657537bb565cc9321c84e3a8f853d1d38414a57ec28ead693925d22ebc
PDF
Publication pagef0c72d1086d431fe84a770d00823f41950b6d569f86895d9acab6b613fc7061b
Manifeste8c1c95575aa52e7bcff634bdf1124eae97f02efbb62f79b9174b3ab8d263909

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
SignaturevNAoQbLmWIw9KEtGXueQH5XpKP4EdteMnRMDjUkE1JjSj6OLf+4TNILKpWB6w6HABqEwEMOc2l4aPjBXebPLAQ==
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

2026-09-17T12:01:18.785049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018535
observed f0c72d1086d431fe84a770d00823f419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.768859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018535/manifest.json
observed e8c1c95575aa52e7bcff634bdf1124ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.750917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018535/publication.md
observed c5599c657537bb565cc9321c84e3a8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:18.733491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018535/publication.txt
observed 0e32582937dd8cf9c00e901fa2f85f70...
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.