OpenTechnical

OT-2026-000047693

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000047693) never changes.

Identity and time

Publication numberOT-2026-000047693 · never reused
Internal UUID01a0ae7f-c41f-7d42-9bde-a5e5b0a2cf1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047693
StatusPUBLIC

Content hashes

Canonical text3d2e1a9203a76dba0c4b50e1ae3e81a3af9f077cd5ce428f2d7007946bced48a
Markdown11ca2ce644e8c927b6699cebce7ff9efeec36efb3682122990543263636218c8
PDF
Publication page23c9632bf2922d918d9f9590b7e39d50e62c6d22f8eca9d91a95291c12d3a711
Manifestd3d56d67fae41bfd7fb76ecaa94a8732ab7e5a9856ca55bb2a4fff875d62bb3a

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
SignaturemCYt4b4qMOyUqzozl91Q0P2AjSFrefoDbmv7Ae7SPXwvOZ2wVZmat470ZiFvRnX+LPzlskFmGZ+GMiZ8H6TQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:32.784993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047693
observed 23c9632bf2922d918d9f9590b7e39d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.765544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047693/manifest.json
observed d3d56d67fae41bfd7fb76ecaa94a8732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.743977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047693/publication.md
observed 11ca2ce644e8c927b6699cebce7ff9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.723464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047693/publication.txt
observed 3d2e1a9203a76dba0c4b50e1ae3e81a3...
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.