OpenTechnical

OT-2026-000059521

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000059521) never changes.

Identity and time

Publication numberOT-2026-000059521 · never reused
Internal UUID01a0ae89-8619-7de9-8880-dfff512d484f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059521
StatusPUBLIC

Content hashes

Canonical text43ab9d5caa06b4f538162f66eee601753e2248b8dbcb2d6e6c07856aa40860fb
Markdownb3e50a554b85be9b9cff39feb133ac50fba5bd0697b83da7dd776ff1e0fad185
PDF
Publication page58961178c1678253b8e9a39afc0ba944b6745431908cb8b95f0cbd47a3bfc4db
Manifest16e9e9a30df172386a30beb57286462b2603136cb499dbf8be7971d79268591f

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
Signatureg23D0uSmmEJrwoCFJ9ASRf3wYPIDJvW7KgLvayqskAl5QBIYOduGiHZESTxsK48EDqpV32CEE2Ghv+MpY969DQ==
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...

Independent retrieval

2026-09-17T10:46:14.451868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059521
observed 58961178c1678253b8e9a39afc0ba944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.434763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059521/manifest.json
observed 16e9e9a30df172386a30beb57286462b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.415162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059521/publication.md
observed b3e50a554b85be9b9cff39feb133ac50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.391650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059521/publication.txt
observed 43ab9d5caa06b4f538162f66eee60175...
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.