OpenTechnical

OT-2026-000015972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000015972) never changes.

Identity and time

Publication numberOT-2026-000015972 · never reused
Internal UUID01a0ae6e-0c4d-7ac3-ad60-299730041118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015972
StatusPUBLIC

Content hashes

Canonical text6a0f58fc2360092cb2b38627ab5616c8ab81940eaaa6d32166d77afceaa45723
Markdowndbaa1dc9cf8fbb201fdd4c552db5ba34aa63634cad99c65bdf5b32b18d37b994
PDF
Publication page292388e53c21e29b26c43261ebf8254935038478c2468c792c63921b17769c2f
Manifestcbc5828508dbd1984cc0761ccc718d89403ff3b5bda7adc8cf1017f93abb3cfb

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
Signature/caHEYKEVc0Gsl7zWXRZHAkobdnBigoVFDkQsLfrAWv47wE1/GIozrlGP/DKEw++66bAxN68I1kpdgpyhBDLCw==
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

2026-09-17T12:05:28.472654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015972
observed 292388e53c21e29b26c43261ebf82549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.448365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015972/manifest.json
observed cbc5828508dbd1984cc0761ccc718d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.421629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015972/publication.md
observed dbaa1dc9cf8fbb201fdd4c552db5ba34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.393135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015972/publication.txt
observed 6a0f58fc2360092cb2b38627ab5616c8...
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.