OpenTechnical

OT-2026-000056730

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000056730) never changes.

Identity and time

Publication numberOT-2026-000056730 · never reused
Internal UUID01a0ae87-7af6-701f-b207-bb14d2e112c3 · 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-2026-000056730
StatusPUBLIC

Content hashes

Canonical text9dc9bfcbce6005d714e373c8d8ac0de96452fe0660cd9627dcc20d09e88e5336
Markdown3cd5cb805e06df130b36e09f0bca4dedcbc4fb7b9f2ce736dbfd79f51b556fdb
PDF
Publication paged43dd093797f31a1239650fb84c987a049b34f1a94f8d8fcc488431c0309db21
Manifestcd410956abc9ae904493178942900f1607e63be95064193fcfb01c9da292fa6a

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
SignatureImUpVU9bkFHTxuCv1e/AMHdW28IDWdpKcFJfK9YYb7FSrW10L5CcheezJZMfSXbhmoMHYiVW0uea58Pf7eS9BQ==
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

2026-09-17T10:50:09.976689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056730
observed d43dd093797f31a1239650fb84c987a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.958761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056730/manifest.json
observed cd410956abc9ae904493178942900f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.939415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056730/publication.md
observed 3cd5cb805e06df130b36e09f0bca4ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.921520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056730/publication.txt
observed 9dc9bfcbce6005d714e373c8d8ac0de9...
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.