Pith Number

pith:JWNGLSSP

pith:2015:JWNGLSSPQO45T3OZUL77JQSKZC

not attested not anchored not stored refs pending

"Refsdal" meets Popper: comparing predictions of the re-appearance of the multiply imaged supernova behind MACSJ1149.5+2223

A. Halkola, A. Hoag, A. Mercurio, A. V. Filippenko, A. Zitrin, B. Patel, C. Grillo, G. B. Caminha, G. Brammer, I. Balestra, J. M. Diego, K. B. Schmidt, K. Sharon, L. G. Strolger, M. Bradac, M. Ishigaki, M. Oguri, P. L. Kelly, P. Rosati, R. J. Foley, R. Kawamata, S. A. Rodney, S. H. Suyu, S. W. Jha, T. Broadhurst, T. L. Johnson, T. Treu, W. Karman

arxiv:1510.05750 v2 · 2015-10-20 · 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{JWNGLSSPQO45T3OZUL77JQSKZC}

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	2026-05-18T01:22:00.720210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d9a65ca4f83b9d9edd9a2fff4c24ac892e9c7a988c3eaf5d8f518c5f8ffcb3b

Aliases

arxiv: 1510.05750 · arxiv_version: 1510.05750v2 · doi: 10.48550/arxiv.1510.05750 · pith_short_12: JWNGLSSPQO45 · pith_short_16: JWNGLSSPQO45T3OZ · pith_short_8: JWNGLSSP

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/JWNGLSSPQO45T3OZUL77JQSKZC \
  | 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: 4d9a65ca4f83b9d9edd9a2fff4c24ac892e9c7a988c3eaf5d8f518c5f8ffcb3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c28a918ca4d3b15d8e15ff076bea8808d1432590af04d0e905d855f42d53cb04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-10-20T04:14:41Z",
    "title_canon_sha256": "7deb64a34a5a79c730d9d3c3c13c4df4b742a2b41e914a1c415ee4bdd23f9223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05750",
    "kind": "arxiv",
    "version": 2
  }
}