Pith Number

pith:5DPGCZCD

pith:2012:5DPGCZCDT5JFVK7DAKFMATNM5R

not attested not anchored not stored refs pending

Interpreting the near-infrared spectra of the 'golden standard' Type Ia supernova 2005cf

E. E. E. Gall, G. Blanc, M. Kromer, N. Elias-Rosa, S. A. Sim, S. Benetti, S. Taubenberger, W. Hillebrandt

arxiv:1208.5949 v1 · 2012-08-29 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DPGCZCDT5JFVK7DAKFMATNM5R}

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	2026-05-18T01:54:50.230590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8de6164439f525aabe3028ac04dacec737b12c3a50cd41a34bdf906a0a1ae1f

Aliases

arxiv: 1208.5949 · arxiv_version: 1208.5949v1 · doi: 10.48550/arxiv.1208.5949 · pith_short_12: 5DPGCZCDT5JF · pith_short_16: 5DPGCZCDT5JFVK7D · pith_short_8: 5DPGCZCD

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/5DPGCZCDT5JFVK7DAKFMATNM5R \
  | 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: e8de6164439f525aabe3028ac04dacec737b12c3a50cd41a34bdf906a0a1ae1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "669691141e1d62efc442aa71f97d82ffd1816efa44d2af3f68b79874f574562d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-08-29T15:50:12Z",
    "title_canon_sha256": "a2ca6713326c0c0ae665d7b705df5a4f017c21d749b7edd9d544fe369ea9aa3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5949",
    "kind": "arxiv",
    "version": 1
  }
}