OpenTechnical

OT-2026-000023286

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000023286) never changes.

Identity and time

Publication numberOT-2026-000023286 · never reused
Internal UUID01a0ae70-7267-71d7-9110-89a3dc01fe4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023286
StatusPUBLIC

Content hashes

Canonical textf15af309c91f539b4dabce085c59d7f301228f861574166a0be80ffaef25734e
Markdown6b1bd6c8d9eb559b99f9a7c19ea8b8c688b4afbccd3a4af8ee4e04df509982c3
PDF
Publication page5d98fdc72aac0e3bd0666addcf1619725dd7ae4c52cd27ec8d4a23c808394867
Manifest0f801d11ba6d7ddee1f501e859049b2050477426ee3cb9199727aedbbf4abc6d

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
SignatureAoU79S8mK4grsF4gfRIhBuGK/J00arjjj9tZ+B6JpUpPnzgU+QhjrBndrRsmOCIaGUeGdc7HJKqt/BSOwALRCg==
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

2026-09-17T11:51:21.808260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023286
observed 5d98fdc72aac0e3bd0666addcf161972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.788674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023286/manifest.json
observed 0f801d11ba6d7ddee1f501e859049b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.769971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023286/publication.md
observed 6b1bd6c8d9eb559b99f9a7c19ea8b8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.752740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023286/publication.txt
observed f15af309c91f539b4dabce085c59d7f3...
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.