Pith Number

pith:B6QMRNAF

pith:2020:B6QMRNAFIM5YZM2MZANO4OBHTM

not attested not anchored not stored refs pending

A Population-Informed Mass Estimate for Pulsar J0740+6620

Katerina Chatziioannou, Will M. Farr

arxiv:2005.00032 v1 · 2020-04-30 · astro-ph.GA · 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{B6QMRNAFIM5YZM2MZANO4OBHTM}

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.

Cited by

1 paper in Pith

Shape of U: Measuring the Curvature of the Universe with Gravitational Waves

Receipt and verification

First computed	2026-07-05T01:06:54.937478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fa0c8b405433b8cb34cc81aee38279b28343f326a90088c21c118876f549c31

Aliases

arxiv: 2005.00032 · arxiv_version: 2005.00032v1 · doi: 10.48550/arxiv.2005.00032 · pith_short_12: B6QMRNAFIM5Y · pith_short_16: B6QMRNAFIM5YZM2M · pith_short_8: B6QMRNAF

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/B6QMRNAFIM5YZM2MZANO4OBHTM \
  | 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: 0fa0c8b405433b8cb34cc81aee38279b28343f326a90088c21c118876f549c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad9a3c38aaba856f6a38313ee0cea702657da520a209d90dcfddc48c337562a3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-30T18:04:12Z",
    "title_canon_sha256": "501a124d65d6ba06531f5f621f79958a4ca7c4246df19f379f71ff04415ce27c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.00032",
    "kind": "arxiv",
    "version": 1
  }
}