Pith Number

pith:COIUHLLW

pith:2016:COIUHLLWXMCQ4RJ2A4ECPRVWO5

not attested not anchored not stored refs pending

Constraining the Progenitor of the Type Ia Supernova SN 2012cg

Bonn), Richard J. Stancliffe (AIfA, Zheng-Wei Liu (AIfA

arxiv:1604.01031 v1 · 2016-04-04 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COIUHLLWXMCQ4RJ2A4ECPRVWO5}

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	2026-05-18T01:17:46.663308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

139143ad76bb050e453a070827c6b6776cc22dbe97799bfa02415aed9062b17e

Aliases

arxiv: 1604.01031 · arxiv_version: 1604.01031v1 · doi: 10.48550/arxiv.1604.01031 · pith_short_12: COIUHLLWXMCQ · pith_short_16: COIUHLLWXMCQ4RJ2 · pith_short_8: COIUHLLW

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/COIUHLLWXMCQ4RJ2A4ECPRVWO5 \
  | 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: 139143ad76bb050e453a070827c6b6776cc22dbe97799bfa02415aed9062b17e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "256fca766f2a44b68b421e44d76f288ede40bc73715d87c302d8293ef66ba265",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-04T20:00:02Z",
    "title_canon_sha256": "4172f85674d4a73e3681350e875a1ce31bad7bef85832cb38b6e60c516f97a74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01031",
    "kind": "arxiv",
    "version": 1
  }
}