OpenTechnical

OT-2026-000010860

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000010860) never changes.

Identity and time

Publication numberOT-2026-000010860 · never reused
Internal UUID01a0ae6c-540d-75a2-9f43-10707a9ea1b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010860
StatusPUBLIC

Content hashes

Canonical text67d616d875f4b7e8d80b923e766a40d3de93dc639de10404944bba3733cfed31
Markdownc7b429807cf1de77d2bb21afca4ae1b1c65ec1aeea295a2957ab3ee63ebf3bf0
PDF
Publication pagedf33dcd1531091e29ad7fb5015b9fadc6bf5b98e0fd060c1f89570b39628a968
Manifest5edc44701e3b703d32b0f6f9877823c70d16bed4343fcfc89c4bead7201cb7c6

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
Signatured3cLUdxRb+/R6FHQXEGEOOOg8unN+TR2GvTLYCaqs8T1HOI6NLynhkfJMEz20TD9Et1Wc6t4eH/vY9elk+DHBQ==
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

2026-09-17T12:13:37.300055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010860
observed df33dcd1531091e29ad7fb5015b9fadc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:37.279656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010860/manifest.json
observed 5edc44701e3b703d32b0f6f9877823c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:37.260745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010860/publication.md
observed c7b429807cf1de77d2bb21afca4ae1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:37.241582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010860/publication.txt
observed 67d616d875f4b7e8d80b923e766a40d3...
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.