Pith Number

pith:NJJEXMBF

pith:2013:NJJEXMBFPP5WDQE7JCUEA5FZCD

not attested not anchored not stored refs pending

Comparing the light curves of simulated Type Ia Supernovae with observations using data-driven models

Benedikt Diemer, Carlo Graziani, Daniel R. van Rossum, Donald Q. Lamb, George C. Jordan IV, Min Long, Richard Kessler

arxiv:1303.1168 v4 · 2013-03-05 · astro-ph.CO · astro-ph.SR

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

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	2026-05-18T03:16:51.137707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a524bb0257bfb61c09f48a84074b910d24d5b10d660892c18a7a6ad6c370767

Aliases

arxiv: 1303.1168 · arxiv_version: 1303.1168v4 · doi: 10.48550/arxiv.1303.1168 · pith_short_12: NJJEXMBFPP5W · pith_short_16: NJJEXMBFPP5WDQE7 · pith_short_8: NJJEXMBF

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/NJJEXMBFPP5WDQE7JCUEA5FZCD \
  | 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: 6a524bb0257bfb61c09f48a84074b910d24d5b10d660892c18a7a6ad6c370767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aec1542390f91d8fc0a743f09e62c9c1e6f6e7d693179ed3639e45cdccb461c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-05T20:40:17Z",
    "title_canon_sha256": "2d101ddb0808350a9ae569ea7774d23f00f03c121e3715c79e261498a0a8f92c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1168",
    "kind": "arxiv",
    "version": 4
  }
}