Pith Number

pith:END7CRWA

pith:2010:END7CRWAOUGWGHNRHHRQTLVQQS

not attested not anchored not stored refs pending

Nearby Supernova Factory Observations of SN 2007if: First Total Mass Measurement of a Super-Chandrasekhar-Mass Progenitor

A. Gal-Yam, A. Rau, B. Weaver, C. Aragon, C. Bongard, C. Buton, C. Tao, C. Wu, D. Rabinowitz, E. Gangler, E. Pecontal, G. Aldering, G. Rigaudier, G. Smadja, H. K. Fakhouri, K. Runge, M. Childress, M. Kasliwal, N. Chotard, P. Antilogus, P. E. Nugent, R. A. Scalzo, R. C. Thomas, R. Pain, R. Pereira, S. Bailey, S. Hoyer, S. Loken, S. Perlmutter, Y. Copin

arxiv:1003.2217 v3 · 2010-03-10 · astro-ph.CO · 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{END7CRWAOUGWGHNRHHRQTLVQQS}

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	2026-05-18T02:24:37.936239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2347f146c0750d631db139e309aeb0849ee910d8025c798aa4ff30c2e6bf9171

Aliases

arxiv: 1003.2217 · arxiv_version: 1003.2217v3 · doi: 10.48550/arxiv.1003.2217 · pith_short_12: END7CRWAOUGW · pith_short_16: END7CRWAOUGWGHNR · pith_short_8: END7CRWA

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/END7CRWAOUGWGHNRHHRQTLVQQS \
  | 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: 2347f146c0750d631db139e309aeb0849ee910d8025c798aa4ff30c2e6bf9171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d9ef9c9bd61927a870b21dd0ca698744d24363aa5a462d86fb0a73f1350d531",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-10T21:51:22Z",
    "title_canon_sha256": "4ba79cea9664f81aa897a4a060875033d2bbbe075822fea9c8a11a9bc4856e45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2217",
    "kind": "arxiv",
    "version": 3
  }
}