OpenTechnical

OT-2026-000056026

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000056026) never changes.

Identity and time

Publication numberOT-2026-000056026 · never reused
Internal UUID01a0ae87-0a4a-75a8-8918-16552898549e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056026
StatusPUBLIC

Content hashes

Canonical text5d75c40e09981cb40304504e6ce476603ac0c75a33d8f7de74c7203a2645ec1a
Markdown63a63e87570d9be546816ecabcfb36da65826dcd8321fd42048bcf5e4fec387c
PDF
Publication page9d1ba060388f6e4b4607fdea74638343b787c72ac82b990906ac0244bbff5c85
Manifest9692611032fdcab19159c436d842462017e3f99e936097fead083f07e8ee79b5

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
SignatureVj7IRTvRPVkZxolM3MtxBxFm5i4fnTqL56J31a98TuH7ZHktqB+ipNN1E2+V71vAWvSUmciNYlVyK5/slffVAg==
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

2026-09-17T10:51:33.317210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056026
observed 9d1ba060388f6e4b4607fdea74638343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.300521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056026/manifest.json
observed 9692611032fdcab19159c436d8424620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.284688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056026/publication.md
observed 63a63e87570d9be546816ecabcfb36da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.267565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056026/publication.txt
observed 5d75c40e09981cb40304504e6ce47660...
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.