OpenTechnical

OT-2026-000014655

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000014655) never changes.

Identity and time

Publication numberOT-2026-000014655 · never reused
Internal UUID01a0ae6d-d093-7f31-bd21-195470c04428 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014655
StatusPUBLIC

Content hashes

Canonical text3c29aa863a81b78ba0ccf7f8767971a5b9d6021ef069dcfe9b0e50fc11c196e1
Markdown7befd6f5a731d819ed5552507383770fdeeef22c10fc0f1c776cbf71c0be896b
PDF
Publication page5f679e5ce5676133b7b317669c3b68f2f4136bab51ef0e2c972a5e436751cb5b
Manifest27cde4ead5e8d5ff2bc71934135063618c19329ba70867662ebe89440e011527

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
SignatureCThXaMpZbUh9gp+6CNTZZrxX+98dFAehdMnhEFkdHcbKsc2N1dSNSjja6rtg8a2SNZTR6foe4vdYN+jvOaadBw==
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

2026-09-17T12:06:29.966011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014655
observed 5f679e5ce5676133b7b317669c3b68f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:29.945620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014655/manifest.json
observed 27cde4ead5e8d5ff2bc7193413506361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:29.926365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014655/publication.md
observed 7befd6f5a731d819ed5552507383770f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:29.905918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014655/publication.txt
observed 3c29aa863a81b78ba0ccf7f8767971a5...
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.