OpenTechnical

OT-2026-000010780

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000010780) never changes.

Identity and time

Publication numberOT-2026-000010780 · never reused
Internal UUID01a0ae6c-0ee9-79cb-8ed8-d2a06e66fc8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010780
StatusPUBLIC

Content hashes

Canonical text5c9b6c5095430d5a75272ae55a22ef1461ed5e158c80e803b761a295bdc12916
Markdown3c0a2b217ec04a621718cf2a844cd58344a19138810a62b5cad329278544a035
PDF
Publication pagec57ec5738d24ab3576cadd60d4f29542f31ec2f3c9a09b60cc5e299c7e4969fe
Manifestcc54bf164233afb498d620784f77480f33ec50e94a99aaa52033df056d529274

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
SignatureuqZxZxgbNKn/0jIA++gFASId5GbKavPq+WMinHER44fVnxdi5yp+k8dvPDC+1T1ZHC5+ovqTSOA4T1UaQWRPAQ==
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

2026-09-17T12:15:42.393948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010780
observed c57ec5738d24ab3576cadd60d4f29542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.366541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010780/manifest.json
observed cc54bf164233afb498d620784f77480f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.343093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010780/publication.md
observed 3c0a2b217ec04a621718cf2a844cd583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.314310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010780/publication.txt
observed 5c9b6c5095430d5a75272ae55a22ef14...
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.