OpenTechnical

OT-2026-000051634

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000051634) never changes.

Identity and time

Publication numberOT-2026-000051634 · never reused
Internal UUID01a0ae83-7c82-7613-96a3-f3395a5d288d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051634
StatusPUBLIC

Content hashes

Canonical text2ff6bf53c0c20c0e7c990c200e38abd921f26ef9ec440d8e619d242c87779e5a
Markdown5c406d0411237fbb1a22319dbdc539ae93d7a8aea5d01633bffc4039e11c3284
PDF
Publication pagefcf3ba38c84f105e49c80b5bc0ea77064b4c5ba9e5433488ab10a3821963661c
Manifestd6174d57d3d0ccb18c473723c064932594c66c567c292dd15d8f6cf8e14f900f

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
SignatureNqbsH8/k9JPwTpqNvlXK2Ej9ZhGOptz4Tjccd4jLdOxTWlqb+o/S2NCbgUAAtE/ZK7+h5ASSpZunJEvVH/9VCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:29.607450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051634
observed fcf3ba38c84f105e49c80b5bc0ea7706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.590686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051634/manifest.json
observed d6174d57d3d0ccb18c473723c0649325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.572761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051634/publication.md
observed 5c406d0411237fbb1a22319dbdc539ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.553088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051634/publication.txt
observed 2ff6bf53c0c20c0e7c990c200e38abd9...
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.