Pith Number

pith:QNWNHIK4

pith:2017:QNWNHIK4WFJ3LC66FOOEUCYCRD

not attested not anchored not stored refs pending

Fundamental physics with the Hubble Frontier Fields: constraining Dark Matter models with the abundance of extremely faint and distant galaxies

Alexander Merle, Andrea Grazian, Aurel Schneider, Marco Castellano, Maximilian Totzauer, Nicola Menci, Norma G. Sanchez

arxiv:1701.01339 v2 · 2017-01-05 · astro-ph.CO · astro-ph.GA · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNWNHIK4WFJ3LC66FOOEUCYCRD}

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	2026-05-18T00:50:45.977209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

836cd3a15cb153b58bde2b9c4a0b0288eff28a611e479f77a00aa7dc6c78ecb1

Aliases

arxiv: 1701.01339 · arxiv_version: 1701.01339v2 · doi: 10.48550/arxiv.1701.01339 · pith_short_12: QNWNHIK4WFJ3 · pith_short_16: QNWNHIK4WFJ3LC66 · pith_short_8: QNWNHIK4

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/QNWNHIK4WFJ3LC66FOOEUCYCRD \
  | 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: 836cd3a15cb153b58bde2b9c4a0b0288eff28a611e479f77a00aa7dc6c78ecb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73358b0270c9ab293c89d1ed3aa0d66734c2625c615caf7649e61b49be5e3c60",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-01-05T15:02:08Z",
    "title_canon_sha256": "037ae37ec3ba3deae75ea5865df435b6de92902a6252d5948c9d3d95b682d1c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01339",
    "kind": "arxiv",
    "version": 2
  }
}