OpenTechnical

OT-2026-000051686

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000051686) never changes.

Identity and time

Publication numberOT-2026-000051686 · never reused
Internal UUID01a0ae83-7c82-7cec-871c-760251ece496 · 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-2026-000051686
StatusPUBLIC

Content hashes

Canonical text9b46230bb2afd62494f40f80e09e1812c2e8054d5cd6081689e045d767e0c7a5
Markdownb8dd235265f7cfd4a3ec62edb3286058445d42e808bafa7e71f3ebe4e091cec6
PDF
Publication pagec7f3a58359f7251e38a8121fc82158e507c945444c78147dd67577d04c6ec4ca
Manifest749b4a354c23da3a9c6f9845cdaa1a94d330856551af69dc9407b2a90fe4f115

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
SignatureFYJxy8MNGYPAb9HatbRB+XS6JBlJCvZxhPsJWq03SOud3wYrSjevdloqBJRd0/1u5kdPGfm/V3VE2Z8+eYzTBA==
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

2026-09-17T10:58:33.695394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051686
observed c7f3a58359f7251e38a8121fc82158e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.678955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051686/manifest.json
observed 749b4a354c23da3a9c6f9845cdaa1a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.661409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051686/publication.md
observed b8dd235265f7cfd4a3ec62edb3286058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.643033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051686/publication.txt
observed 9b46230bb2afd62494f40f80e09e1812...
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.