OpenTechnical

OT-2026-000060932

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down

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-2026-000060932) never changes.

Identity and time

Publication numberOT-2026-000060932 · never reused
Internal UUID01a0ae8b-12f2-7d81-9613-0cd09c41fac5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060932
StatusPUBLIC

Content hashes

Canonical text5bc6910f1d70ad6fe58e526875a4271c842ba11ca952b2c5425aaae9ebe4d430
Markdown068bbfb4809b5060ee592796d461114c37964b91600a6c1daeb5f7139e7e9a05
PDF
Publication pagef945bcb1e03dfb10b88e4d3a887a4ab08d6ab0b203bff3ff0ba8143b2fb481ff
Manifest3ff7e3cf7ebe4019cff703d247b2d9eb75f0b3cb94ffd3b465843701fb6a28e7

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
SignaturemuG9su6A4aLfo+93pGV+ZjNnb8vipy96FArfMZ+r+JV/4RBGa09uMWidrVKuP7iQGIzlNkpJLm9EjGeAhWvUDA==
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

2026-09-17T10:42:12.203786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060932
observed f945bcb1e03dfb10b88e4d3a887a4ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.184583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060932/manifest.json
observed 3ff7e3cf7ebe4019cff703d247b2d9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.164636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060932/publication.md
observed 068bbfb4809b5060ee592796d461114c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.144906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060932/publication.txt
observed 5bc6910f1d70ad6fe58e526875a4271c...
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.