Pith Number

pith:4V225PJP

pith:2015:4V225PJP6XAD52OPW2475NSDEV

not attested not anchored not stored refs pending

HD188112: Supernova Ia progenitor?

A. Irrgang, M. Latour, U. Heber, V. Schaffenroth

arxiv:1502.07096 v1 · 2015-02-25 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4V225PJP6XAD52OPW2475NSDEV}

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	2026-05-18T02:26:11.884651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e575aebd2ff5c03ee9cfb6b9feb64325653911186c4ec2efb488e794e2e2c7d0

Aliases

arxiv: 1502.07096 · arxiv_version: 1502.07096v1 · doi: 10.48550/arxiv.1502.07096 · pith_short_12: 4V225PJP6XAD · pith_short_16: 4V225PJP6XAD52OP · pith_short_8: 4V225PJP

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/4V225PJP6XAD52OPW2475NSDEV \
  | 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: e575aebd2ff5c03ee9cfb6b9feb64325653911186c4ec2efb488e794e2e2c7d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2299c9b0cd8fcaf6baf75260b79282e592f6d5185fbe98bafb57bbd1ac78223",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-25T09:30:11Z",
    "title_canon_sha256": "3dced4700d6cf3af3110a795ee4270dcc8fb623facbe6e66f4f15ec99865acb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07096",
    "kind": "arxiv",
    "version": 1
  }
}