Pith Number

pith:Y5JDETDH

pith:2012:Y5JDETDHQ2SRYOSUGRYCZ3DY6C

not attested not anchored not stored refs pending

Near-infrared observations of type Ia supernovae: The best known standard candle for cosmology

A. Gal-Yam, C. Lidman, D. A. Howell, D. Poznanski, D. Xu, E. Ofek, E. Y. Hsiao, I. Arcavi, I. M. Hook, J. Cooke, J. Mould, J. S. B. Wyithe, K. Maguire, M. M. Kasliwal, M. Sullivan, P. E. Nugent, R. L. Barone-Nugent, S. B. Cenko

arxiv:1204.2308 v2 · 2012-04-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5JDETDHQ2SRYOSUGRYCZ3DY6C}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:57:53.791009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c752324c6786a51c3a5434702cec78f088f62eac27f08470bd413d79e5e58f80

Aliases

arxiv: 1204.2308 · arxiv_version: 1204.2308v2 · doi: 10.48550/arxiv.1204.2308 · pith_short_12: Y5JDETDHQ2SR · pith_short_16: Y5JDETDHQ2SRYOSU · pith_short_8: Y5JDETDH

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/Y5JDETDHQ2SRYOSUGRYCZ3DY6C \
  | 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: c752324c6786a51c3a5434702cec78f088f62eac27f08470bd413d79e5e58f80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c056b9b09128a1d3eb6da293e21f13f5a01ece5d481a34ef59d2ce1c00ee05c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-11T00:31:11Z",
    "title_canon_sha256": "c57f67e749731332b33edd5f168431e6341e5997e65307a0f557540aa40c843c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2308",
    "kind": "arxiv",
    "version": 2
  }
}