Pith Number

pith:NFUBEFUC

pith:2018:NFUBEFUC6SCPFNKTYY7VKGLODO

not attested not anchored not stored refs pending

A novel approach for characterising broadband radio spectral energy distributions

J. Morgan, N. Seymour, T. Franzen, V. M. Harvey

arxiv:1802.09290 v1 · 2018-02-26 · astro-ph.GA · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFUBEFUC6SCPFNKTYY7VKGLODO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:22:34.177821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6968121682f484f2b553c63f55196e1b96465fe694d0f0a19a4b1b42e6309498

Aliases

arxiv: 1802.09290 · arxiv_version: 1802.09290v1 · doi: 10.48550/arxiv.1802.09290 · pith_short_12: NFUBEFUC6SCP · pith_short_16: NFUBEFUC6SCPFNKT · pith_short_8: NFUBEFUC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NFUBEFUC6SCPFNKTYY7VKGLODO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6968121682f484f2b553c63f55196e1b96465fe694d0f0a19a4b1b42e6309498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46d2b6827d493e42099eb12676efebe45312fb6844a0f552b7ca1e053d3efb99",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-26T13:36:12Z",
    "title_canon_sha256": "43029891c9e996de2c7a12aae345dc79b55631b2a265a62e69feb0e5b541d92d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09290",
    "kind": "arxiv",
    "version": 1
  }
}