Pith Number

pith:N3KYQSDA

pith:2023:N3KYQSDAXA3OLKAH3SAW4FABHO

not attested not anchored not stored refs pending

Was There a 3.5 keV Line?

Benjamin R. Safdi, Christopher Dessert, Joshua W. Foster, Yujin Park

arxiv:2309.03254 v1 · 2023-09-06 · astro-ph.CO · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3KYQSDAXA3OLKAH3SAW4FABHO}

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.

Cited by

2 papers in Pith

Hunting Sterile Neutrino Dark Matter in the MeV Gap

A data-driven prediction for the primordial deuterium abundance

Receipt and verification

First computed	2026-07-05T06:48:25.404674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ed5884860b836e5a807dc816e14013bacab3e12c099edea873f8b3eb894e738

Aliases

arxiv: 2309.03254 · arxiv_version: 2309.03254v1 · doi: 10.48550/arxiv.2309.03254 · pith_short_12: N3KYQSDAXA3O · pith_short_16: N3KYQSDAXA3OLKAH · pith_short_8: N3KYQSDA

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/N3KYQSDAXA3OLKAH3SAW4FABHO \
  | 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: 6ed5884860b836e5a807dc816e14013bacab3e12c099edea873f8b3eb894e738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3a8282ee154ca049ab00253d878f395914c03025b36a08629c4340306a89fe0",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-09-06T18:00:00Z",
    "title_canon_sha256": "610d6f8fd340cb853e881f2ca937b279ff8a3e0fda7aeff115010e49c83ce060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.03254",
    "kind": "arxiv",
    "version": 1
  }
}