Pith Number

pith:257FIGCH

pith:2013:257FIGCHS2TGZIGDX6S5C3QFAZ

not attested not anchored not stored refs pending

Hubble Space Telescope and Ground-Based Observations of the Type Iax Supernovae SN 2005hk and SN 2008A

Adam G. Riess, Alexei V. Filippenko, Chen Zheng, Curtis McCully, David Branch, David D. Balam, Donald P. Schneider, Douglas C. Leonard, Eric Y. Hsiao, Giorgos Leloudas, J. Craig Wheeler, Jeffrey M. Silverman, Jesper Sollerman, Johan Fynbo, Jon A. Holtzman, Joshua Frieman, Lluis Galbany, Masao Sako, Melissa L. Graham, Mohan Ganeshalingam, Peter M. Garnavich, Rollin C. Thomas, Ryan Chornock, Ryan J. Foley, Saurabh W. Jha, Thea N. Steele, Weidong Li

arxiv:1309.4457 v2 · 2013-09-17 · astro-ph.SR · 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{257FIGCHS2TGZIGDX6S5C3QFAZ}

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	2026-05-18T02:53:08.084647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77e54184796a66ca0c3bfa5d16e0506532203be9079d5cde43c8333f36de4a5

Aliases

arxiv: 1309.4457 · arxiv_version: 1309.4457v2 · doi: 10.48550/arxiv.1309.4457 · pith_short_12: 257FIGCHS2TG · pith_short_16: 257FIGCHS2TGZIGD · pith_short_8: 257FIGCH

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/257FIGCHS2TGZIGDX6S5C3QFAZ \
  | 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: d77e54184796a66ca0c3bfa5d16e0506532203be9079d5cde43c8333f36de4a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2785ea0e4ceeb4fd25dff3e3b40f2e36f1f7bcdf05670f5dc474a6d5f441e23f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-17T20:00:04Z",
    "title_canon_sha256": "7cf9a09bebe1139324dada7e38a35b5ba87c3efcbc5d7cd145b585e04314f6ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4457",
    "kind": "arxiv",
    "version": 2
  }
}