Pith Number

pith:WQTGGWTI

pith:2015:WQTGGWTIN7WDOV4BO45TJS3PF5

not attested not anchored not stored refs pending

A Chandrasekhar Mass Progenitor for the Type Ia Supernova Remnant 3C 397 from The Enhanced Abundances of Nickel and Manganese

Adam R. Foster, Brian J. Williams, Carles Badenes, Eduardo Bravo, Hiroya Yamaguchi, Katsuji Koyama, Keiichi Maeda, Kristoffer A. Eriksen, Masayoshi Nobukawa, Nancy S. Brickhouse, Robert Petre

arxiv:1502.04255 v1 · 2015-02-14 · 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{WQTGGWTIN7WDOV4BO45TJS3PF5}

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	2026-05-18T01:41:03.161035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b426635a686fec375781773b34cb6f2f4127bfa93c10d8d775ee507fe2bc237d

Aliases

arxiv: 1502.04255 · arxiv_version: 1502.04255v1 · doi: 10.48550/arxiv.1502.04255 · pith_short_12: WQTGGWTIN7WD · pith_short_16: WQTGGWTIN7WDOV4B · pith_short_8: WQTGGWTI

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/WQTGGWTIN7WDOV4BO45TJS3PF5 \
  | 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: b426635a686fec375781773b34cb6f2f4127bfa93c10d8d775ee507fe2bc237d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "786645e43487f6475a775b1cc523f41563f605b676a11eb77cd0c85b518a1294",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-14T22:22:47Z",
    "title_canon_sha256": "9ef18076671e2b25b6fe6f090e7a5f9546ccd1d787e2e349cd8a9afc837f64f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04255",
    "kind": "arxiv",
    "version": 1
  }
}