Pith Number

pith:EHSYMI76

pith:2007:EHSYMI763TVVNEPLJATOZTZBLY

not attested not anchored not stored refs pending

SN 2002cv: A Heavily Obscured Type Ia Supernova

A.A. Arkharov, A. Di Paola, A. Pastorello, A.V. Filippenko, E. Cappellaro, G. Valentini, J. E. Beckman, K. Krisciunas, M. Dolci, M. Turatto, N. Elias-Rosa, R.J. Foley, S. Benetti, S. Valenti, V.M. Larionov, W. Hillebrandt, W. Li, W.P.S. Meikle

arxiv:0710.4503 v2 · 2007-10-24 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHSYMI763TVVNEPLJATOZTZBLY}

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	2026-07-04T17:06:22.743571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21e58623fedceb5691eb4826eccf215e39abd05d871763affe9eac2fe49feb13

Aliases

arxiv: 0710.4503 · arxiv_version: 0710.4503v2 · doi: 10.48550/arxiv.0710.4503 · pith_short_12: EHSYMI763TVV · pith_short_16: EHSYMI763TVVNEPL · pith_short_8: EHSYMI76

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/EHSYMI763TVVNEPLJATOZTZBLY \
  | 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: 21e58623fedceb5691eb4826eccf215e39abd05d871763affe9eac2fe49feb13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d82b2d4912cfb71de6600316642d844231549fec0f1cb3b4aaca3f51bba6985",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-24T15:59:14Z",
    "title_canon_sha256": "bf445d4f643655b7f6f5a7e434d25a9e7aaf5245101430b60fb8ceaa3c0689bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4503",
    "kind": "arxiv",
    "version": 2
  }
}