Pith Number

pith:FKBMCLRL

pith:2021:FKBMCLRLR44KZWCWLPLDPCNKAV

not attested not anchored not stored refs pending

Type Ia Supernova Magnitude Step from the local Dark Matter Environment

Davi Rodrigues, Heinrich Steigerwald, Stefano Profumo, Valerio Marra

arxiv:2112.09739 v1 · 2021-12-17 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKBMCLRLR44KZWCWLPLDPCNKAV}

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	2026-07-05T03:52:34.214837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a82c12e2b8f38acd8565bd63789aa055fcb2cd7b0db7efc34dfcd48ae8e2663

Aliases

arxiv: 2112.09739 · arxiv_version: 2112.09739v1 · doi: 10.48550/arxiv.2112.09739 · pith_short_12: FKBMCLRLR44K · pith_short_16: FKBMCLRLR44KZWCW · pith_short_8: FKBMCLRL

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/FKBMCLRLR44KZWCWLPLDPCNKAV \
  | 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: 2a82c12e2b8f38acd8565bd63789aa055fcb2cd7b0db7efc34dfcd48ae8e2663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73d2a4f1d690d0e8f352420ecd5779f51b42972ef998cd8b298dafff02726cec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-12-17T19:50:56Z",
    "title_canon_sha256": "9ecece99df1d1152885d6dcd25cebb073f028e4325b429b8f3641854c8b603e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09739",
    "kind": "arxiv",
    "version": 1
  }
}