Pith Number

pith:WRKBR37J

pith:2011:WRKBR37JATZNWOLXM6HBGOPLPP

not attested not anchored not stored refs pending

Improved distance determination to M51 from supernovae 2011dh and 2005cs

A. Pal, G. H. Marion, J. C. Wheeler, J. Kelemen, J. Vinko, K. Sarneczky, K. Takats, K. Vida, N. Szalai, P. Klagyivik, P. M. Garnavich, T. Szalai

arxiv:1111.0596 v2 · 2011-11-02 · astro-ph.CO

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

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	2026-05-18T01:59:48.260770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b45418efe904f2db3977678e1339eb7bddb09e12ab8d8eff379ca630e2db64ae

Aliases

arxiv: 1111.0596 · arxiv_version: 1111.0596v2 · doi: 10.48550/arxiv.1111.0596 · pith_short_12: WRKBR37JATZN · pith_short_16: WRKBR37JATZNWOLX · pith_short_8: WRKBR37J

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/WRKBR37JATZNWOLXM6HBGOPLPP \
  | 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: b45418efe904f2db3977678e1339eb7bddb09e12ab8d8eff379ca630e2db64ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a22f61d825f49ff1408fbd66a34093dcd5c0d1385384d35d6efd0b221674e8fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-02T18:26:20Z",
    "title_canon_sha256": "27ad6ad11ff41e883f02b23cf462e5b81805425b967eccd0dabc3b1a26ab23d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0596",
    "kind": "arxiv",
    "version": 2
  }
}