Pith Number

pith:M5KN2PFS

pith:2015:M5KN2PFS2NBJU2AVLWF6VCSIWA

not attested not anchored not stored refs pending

Late-Time Photometry of Type Ia Supernova SN 2012cg Reveals the Radioactive Decay of $^{57}$Co

Adam G. Riess, Armin Rest, David Zurek, Ivo R. Seitenzahl, Michael M. Shara, Or Graur

arxiv:1505.00777 v3 · 2015-05-04 · astro-ph.HE · 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{M5KN2PFS2NBJU2AVLWF6VCSIWA}

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	2026-05-18T01:20:01.739271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6754dd3cb2d3429a68155d8bea8a48b01528e8c2edbd82f759778d2b1ca89546

Aliases

arxiv: 1505.00777 · arxiv_version: 1505.00777v3 · doi: 10.48550/arxiv.1505.00777 · pith_short_12: M5KN2PFS2NBJ · pith_short_16: M5KN2PFS2NBJU2AV · pith_short_8: M5KN2PFS

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/M5KN2PFS2NBJU2AVLWF6VCSIWA \
  | 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: 6754dd3cb2d3429a68155d8bea8a48b01528e8c2edbd82f759778d2b1ca89546

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9cfc008ccd96b48015fdad69b991ae0cae69ac573520df86002e8ec3198dc57",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-05-04T20:00:22Z",
    "title_canon_sha256": "ed1717ab82368fcca18a14cf2aa4d067ddf19a04d5ed2a8e06cfd554d50433bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00777",
    "kind": "arxiv",
    "version": 3
  }
}