OpenTechnical

OT-2026-000056745

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000056745) never changes.

Identity and time

Publication numberOT-2026-000056745 · never reused
Internal UUID01a0ae87-7af6-79b0-a08c-2ce55370bd0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056745
StatusPUBLIC

Content hashes

Canonical textd7078e5722c3f55a85db772ce82810c4318eee125b93b1314f8edbbe77cddabc
Markdown054eb8f68bba3aeecd3b64b04eaecf8a05d69ab204669ca9f5bfb05d04f4b879
PDF
Publication page87edd008691693abb63949b98fa4c8944efd10f13fb292e31fbdeaf05853dea0
Manifest590b8a39fb9d934207b2173ca3f18c979a51a59b746fbba1f3ea6dc6c64405a3

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
SignatureT3XIrGxdjr1g5bt0FNy150Sp5+WbYRiZx/tkHbp53hwlc+XZ+YCaKsKQtSO7x0E8SaM3dOuBVpx89r6v9TV2BQ==
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

2026-09-17T10:50:11.130114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056745
observed 87edd008691693abb63949b98fa4c894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.108313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056745/manifest.json
observed 590b8a39fb9d934207b2173ca3f18c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.087679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056745/publication.md
observed 054eb8f68bba3aeecd3b64b04eaecf8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.069528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056745/publication.txt
observed d7078e5722c3f55a85db772ce82810c4...
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.