OpenTechnical

OT-2026-000025642

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000025642) never changes.

Identity and time

Publication numberOT-2026-000025642 · never reused
Internal UUID01a0ae71-9bc9-74f0-98c2-8e6612c7c2de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025642
StatusPUBLIC

Content hashes

Canonical textd6de770809f2b84bc6f076f193420577713a6f70a07b7fcadafaf7eff114437c
Markdown2fef481b3fe0e7878035bde33d56f664fc72848dd28d7f16e0af1d0c55c7ae21
PDF
Publication pagec12708f2625a199961dc29a7cc304f4986bd625d4c0daaf0ab61592d7dbf0539
Manifest075580e818dad1abc50a1d4929bc9ff4c23b116978d568fee3009d766385773d

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
Signaturefz12i/DbpAKFKI4lRePFrrBJdCxs7yAMfCsmGFSKFcW5ApYiLMUXDGsdN3If4uAjNeOYs+N39Pi8EJLlqZfhAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:46:50.606084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025642
observed c12708f2625a199961dc29a7cc304f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.589857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025642/manifest.json
observed 075580e818dad1abc50a1d4929bc9ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.489338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025642/publication.md
observed 2fef481b3fe0e7878035bde33d56f664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.468896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025642/publication.txt
observed d6de770809f2b84bc6f076f193420577...
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.