Pith Number

pith:APXJ2CZI

pith:2018:APXJ2CZIWAFEKLMEDGLSD4N2PN

not attested not anchored not stored refs pending

Astrophysical radio background cannot explain the EDGES 21-cm signal: constraints from cooling of non-thermal electrons

Prateek Sharma

arxiv:1804.05843 v3 · 2018-04-16 · 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{APXJ2CZIWAFEKLMEDGLSD4N2PN}

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

1 paper in Pith

On a possible nonequilibrium imprint in the cosmic background at low frequencies

Receipt and verification

First computed	2026-05-18T00:08:14.986236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ee9d0b28b00a452d84199721f1ba7b59d0b45eccb694649f62b75ae81625f5

Aliases

arxiv: 1804.05843 · arxiv_version: 1804.05843v3 · doi: 10.48550/arxiv.1804.05843 · pith_short_12: APXJ2CZIWAFE · pith_short_16: APXJ2CZIWAFEKLME · pith_short_8: APXJ2CZI

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/APXJ2CZIWAFEKLMEDGLSD4N2PN \
  | 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: 03ee9d0b28b00a452d84199721f1ba7b59d0b45eccb694649f62b75ae81625f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84a2a0c744f575bb32dcca982ea8812d5ffaa0c18a1976b49fd048cd0370941",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-16T18:00:01Z",
    "title_canon_sha256": "1b34ae138ce8185b343aea08d33a3f2d4bb5617b3b5901dc73125fe7921516d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05843",
    "kind": "arxiv",
    "version": 3
  }
}