Pith Number

pith:UBFW54SI

pith:2015:UBFW54SIUHJ2P3RX7UI6TY4SZA

not attested not anchored not stored refs pending

The story of supernova 'Refsdal' told by MUSE

A. Halkola, A. Mercurio, C. Grillo, G. B. Caminha, I. Balestra, K. I. Caputi, M. Lombardi, P. Rosati, R. Gavazzi, S. A. Rodney, S. H. Suyu, T. Treu, W. Karman

arxiv:1511.04093 v2 · 2015-11-12 · astro-ph.GA · 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{UBFW54SIUHJ2P3RX7UI6TY4SZA}

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	2026-05-18T01:14:02.439180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a04b6ef248a1d3a7ee37fd11e9e392c821cf1557bc76c4d7099c70e7937d2a0b

Aliases

arxiv: 1511.04093 · arxiv_version: 1511.04093v2 · doi: 10.48550/arxiv.1511.04093 · pith_short_12: UBFW54SIUHJ2 · pith_short_16: UBFW54SIUHJ2P3RX · pith_short_8: UBFW54SI

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/UBFW54SIUHJ2P3RX7UI6TY4SZA \
  | 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: a04b6ef248a1d3a7ee37fd11e9e392c821cf1557bc76c4d7099c70e7937d2a0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d2a68a4a56ef21252194d34ebaba0a153359ee23f6a2878d40fdfa7a444d453",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-12T21:12:32Z",
    "title_canon_sha256": "d033a142c92f370a8a406918b65d3d489276ef5d0162f67f67bb4ef96fb31e36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04093",
    "kind": "arxiv",
    "version": 2
  }
}