Pith Number

pith:BTIHMPBY

pith:2015:BTIHMPBYX2W56KET3RBLPBTTIY

not attested not anchored not stored refs pending

LEGUS Discovery of a Light Echo Around Supernova 2012aw

Artemio Herrero, Daniela Calzetti, Elena Sabbi, Eva K. Grebel, Janice C. Lee, Jay Anderson, Jennifer E. Andrews, Leonardo Ubeda, Linda J. Smith, Schuyler D. Van Dyk, Selma E. de Mink, Stacey N. Bright

arxiv:1504.08323 v1 · 2015-04-30 · astro-ph.SR · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTIHMPBYX2W56KET3RBLPBTTIY}

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	2026-05-18T02:17:22.642396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd0763c38beaddf2893dc42b786734636ab8ed820339ed969d68e60995f0a4f

Aliases

arxiv: 1504.08323 · arxiv_version: 1504.08323v1 · doi: 10.48550/arxiv.1504.08323 · pith_short_12: BTIHMPBYX2W5 · pith_short_16: BTIHMPBYX2W56KET · pith_short_8: BTIHMPBY

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/BTIHMPBYX2W56KET3RBLPBTTIY \
  | 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: 0cd0763c38beaddf2893dc42b786734636ab8ed820339ed969d68e60995f0a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c82b735bff4973c33b65b0817b921f62aa5ddc962ce98d61e6ec521349cad32",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-30T18:07:36Z",
    "title_canon_sha256": "c2296fc6ee6efa18345e471eb3eee1158f51eee49baf55a2cb85cc6576f34794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08323",
    "kind": "arxiv",
    "version": 1
  }
}