Pith Number

pith:PWOS7C6B

pith:2018:PWOS7C6BRWK5K25KXGJKJRRSFI

not attested not anchored not stored refs pending

A surge of light at the birth of a supernova

A. V. Filippenko, D. A. Perley, F. Garc\'ia, G. Folatelli, I. Shivvers, J. L. S\'anchez, K. Maeda, K. Nomoto, M. C. Bersten, M. Orellana, M. Tanaka, N. Smith, O. G. Benvenuto, S. B. Cenko, S. D. Van Dyk, S. Kumar, T. de Jaeger, T. G. Brink, T. J. Moriya, V. Buso, W. Zheng

arxiv:1802.09360 v1 · 2018-02-22 · astro-ph.HE · 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	2026-05-18T00:22:33.904424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9d2f8bc18d95d56baab992a4c6322a20b235014ca1c3168c8892f7bd817bbd

Aliases

arxiv: 1802.09360 · arxiv_version: 1802.09360v1 · doi: 10.48550/arxiv.1802.09360 · pith_short_12: PWOS7C6BRWK5 · pith_short_16: PWOS7C6BRWK5K25K · pith_short_8: PWOS7C6B

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/PWOS7C6BRWK5K25KXGJKJRRSFI \
  | 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: 7d9d2f8bc18d95d56baab992a4c6322a20b235014ca1c3168c8892f7bd817bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26040999bd10d670f4dab578e3e97eaf48507bea64ef92ee80902da0aeca086e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-22T18:13:56Z",
    "title_canon_sha256": "cfebd8f8e3f9d1476c1570df6d74f9ec81013a5f955269518b51fee9397757a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09360",
    "kind": "arxiv",
    "version": 1
  }
}