OpenTechnical

OT-2026-000056882

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000056882) never changes.

Identity and time

Publication numberOT-2026-000056882 · never reused
Internal UUID01a0ae87-7af8-7fb1-98c1-23f9f730b982 · 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-2026-000056882
StatusPUBLIC

Content hashes

Canonical text4125a1ab32318d19654ffdd6121acc2347bc9331d7bca4a9c5a3d38596b5762f
Markdown7194bec88ba985794aeafa9500a807098fecc99d1093d08387c11c5d09943ded
PDF
Publication pagedf097e8a83e2b6ec85a7ed3cd081daa43ba8fcfb8af039bb1fc59380c0fd89b8
Manifest901f23a26fa42fa6f8d914bda23acbb831c67c5f70d4c7b08a74853495864538

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
Signature7Q0RcH7DK3vkJOi91axjkb2xF4mjXxmuYN+WN/I0JHZaAHjmXa3WVjgXkpityw2X92rwH5e16v8o0KwfQ3rACw==
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

2026-09-17T10:50:24.910554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056882
observed df097e8a83e2b6ec85a7ed3cd081daa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.894077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056882/manifest.json
observed 901f23a26fa42fa6f8d914bda23acbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.875837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056882/publication.md
observed 7194bec88ba985794aeafa9500a80709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.858538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056882/publication.txt
observed 4125a1ab32318d19654ffdd6121acc23...
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.