OpenTechnical

OT-2026-000056577

Publication integrity record

Two cup vacuum gripper, two 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-2026-000056577) never changes.

Identity and time

Publication numberOT-2026-000056577 · never reused
Internal UUID01a0ae87-7af5-7168-9c14-40d48843fb1d · 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-2026-000056577
StatusPUBLIC

Content hashes

Canonical text9ab1d2c107cf9d6b858a11f845656c41b45ee1bbea3a26eaf244e9d3af0656e6
Markdownc035e74cfff722728c514a36ef281e08dea61b075d0e91e4c953d4ae8e00b04d
PDF
Publication page5933cfbccd8c96cbf8c6c2514b1e69ba068f7c70cda876a2be5cd7d4547ccc70
Manifestfeaa4fa7f4d9e95e7e1cbc9b29eda60a95fe17bc3744092163878f38cad405d2

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
SignatureuI00Goy05gq/0MI4guSxYhV/OfzXoUYfsKgNoqf0IKNBh6efber+iitdGJrTjIz6QxSIxHNXR3H1FlbhSPf/AQ==
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

2026-09-17T10:49:55.109678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056577
observed 5933cfbccd8c96cbf8c6c2514b1e69ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.092625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056577/manifest.json
observed feaa4fa7f4d9e95e7e1cbc9b29eda60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.074110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056577/publication.md
observed c035e74cfff722728c514a36ef281e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.054610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056577/publication.txt
observed 9ab1d2c107cf9d6b858a11f845656c41...
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.