Pith Number

pith:D3HPROUQ

pith:2020:D3HPROUQ7XE2BPE4APYKU44JMH

not attested not anchored not stored refs pending

Cosmological Constraints on Scalar Field Dark Matter

A. A. Escobal, J. F. Jesus, S. H. Pereira

arxiv:2004.06495 v1 · 2020-04-12 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3HPROUQ7XE2BPE4APYKU44JMH}

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	2026-07-05T03:45:22.923250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ecef8ba90fdc9a0bc9c03f0aa738961facc1d3f911ad093216188535878d2fa

Aliases

arxiv: 2004.06495 · arxiv_version: 2004.06495v1 · doi: 10.48550/arxiv.2004.06495 · pith_short_12: D3HPROUQ7XE2 · pith_short_16: D3HPROUQ7XE2BPE4 · pith_short_8: D3HPROUQ

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/D3HPROUQ7XE2BPE4APYKU44JMH \
  | 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: 1ecef8ba90fdc9a0bc9c03f0aa738961facc1d3f911ad093216188535878d2fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "017e80b30d932483792eb315cc7ad54fb9ca8c246f93d913ec8ef8078a504f25",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-04-12T00:07:25Z",
    "title_canon_sha256": "fc438b70a4a130c35ef31760b2f2a3f28725eb4fe7a95755573d73e028e29e35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06495",
    "kind": "arxiv",
    "version": 1
  }
}