OpenTechnical

OT-2026-000062103

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000062103) never changes.

Identity and time

Publication numberOT-2026-000062103 · never reused
Internal UUID01a0ae8b-b8b0-7791-948c-d1d4327b70dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062103
StatusPUBLIC

Content hashes

Canonical text50593041fae9ec214ae35f17bf93bd445d29fbbb2bc38b1332e736e2d14157a3
Markdownd204c6602ea94a0c88a614629fce8f249d10f3db19223ae5aef87f7b0453a683
PDF
Publication page35ccfde8e17aebfde0acba1cdece2a9a1894c198adeb30bdd3c760507cd70a51
Manifest30ae71829bcd399f70faa6e65f1af86d9afa0e39b010a0688516290d0e5d6efb

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
SignatureqCHWMdmCvuQMpWe/O4nHj+aegmr5JW3jIeAHdYhXIEIXKHkHDlH3mt8tS5yBIvB6vtc8a5kx5CvzaDaoJI7HDg==
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

2026-09-17T10:41:09.679766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062103
observed 35ccfde8e17aebfde0acba1cdece2a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.662855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062103/manifest.json
observed 30ae71829bcd399f70faa6e65f1af86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.643942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062103/publication.md
observed d204c6602ea94a0c88a614629fce8f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.625517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062103/publication.txt
observed 50593041fae9ec214ae35f17bf93bd44...
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.