Pith Number

pith:BQWPHAEM

pith:2018:BQWPHAEMP5T7D7CJKWCGZLWWOS

not attested not anchored not stored refs pending

Measurement of the core-collapse progenitor mass distribution of the Small Magellanic Cloud

Carles Badenes, Enrico Ramirez-Ruiz, John F. Beacom, Katie Auchettl, Laura A. Lopez, Tyler Holland-Ashford

arxiv:1804.10210 v2 · 2018-04-26 · astro-ph.SR · 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{BQWPHAEMP5T7D7CJKWCGZLWWOS}

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	2026-05-17T23:55:14.743750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c2cf3808c7f67f1fc4955846caed674a8718a207ab5898c2cbe0bd14a50d2f3

Aliases

arxiv: 1804.10210 · arxiv_version: 1804.10210v2 · doi: 10.48550/arxiv.1804.10210 · pith_short_12: BQWPHAEMP5T7 · pith_short_16: BQWPHAEMP5T7D7CJ · pith_short_8: BQWPHAEM

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/BQWPHAEMP5T7D7CJKWCGZLWWOS \
  | 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: 0c2cf3808c7f67f1fc4955846caed674a8718a207ab5898c2cbe0bd14a50d2f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d323b3e0ed1d48d23c6e489eb8ff9b2c22b22865816e1fb8532cb68a4cf81079",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-26T18:00:03Z",
    "title_canon_sha256": "e3db3a1e60fa350eae46b61170d72d7a6c17ccac59fc024356671fac1a1f97b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10210",
    "kind": "arxiv",
    "version": 2
  }
}