Pith Number

pith:QCO4UPFP

pith:2019:QCO4UPFPOGVLEZT25PG7Q7XEDF

not attested not anchored not stored refs pending

Angular momentum transport in massive stars and natal neutron star rotation rates

Jim Fuller, Linhao Ma

arxiv:1907.03713 v2 · 2019-07-08 · astro-ph.SR · 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{QCO4UPFPOGVLEZT25PG7Q7XEDF}

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	2026-07-04T23:50:20.721049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809dca3caf71aab2667aebcdf87ee4196f7b00747652b5a5a82ca571218bca5b

Aliases

arxiv: 1907.03713 · arxiv_version: 1907.03713v2 · doi: 10.48550/arxiv.1907.03713 · pith_short_12: QCO4UPFPOGVL · pith_short_16: QCO4UPFPOGVLEZT2 · pith_short_8: QCO4UPFP

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/QCO4UPFPOGVLEZT25PG7Q7XEDF \
  | 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: 809dca3caf71aab2667aebcdf87ee4196f7b00747652b5a5a82ca571218bca5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70a01cf88e278bde6d85690eabaedcd10cb2218d6ac4bb21653a73a6cbdb2e7a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-07-08T16:36:05Z",
    "title_canon_sha256": "a77733f8099e0dc022f3898fa8bd19f6bc2075e453135e82d55a415e3f9e5514"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03713",
    "kind": "arxiv",
    "version": 2
  }
}