Pith Number

pith:NTMUH2I5

pith:2019:NTMUH2I5RLDKHE6INTH7EHVYB5

not attested not anchored not stored refs pending

Astro 2020 Science White Paper: Time Domain Studies of Neutron Star and Black Hole Populations: X-ray Identification of Compact Object Types

A. E. Hornschemeier, A. F. Ptak, A. R. Basu-Zych, A. Zezas, B. Binder, B. D. Lehmer, B. F. Williams, D. R. Wik, F. Furst, F. Haberl, F. M. Fornasini, G. R. Sivakoff, J. Wilms, M. Heida, M. Yukita, N. Vulic, P. Tzanavaris, T. J. Maccarone, V. Antoniou

arxiv:1903.09858 v1 · 2019-03-23 · 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{NTMUH2I5RLDKHE6INTH7EHVYB5}

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	2026-05-17T23:50:35.306103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cd943e91d8ac6a393c86ccff21eb80f52a02ecf75797a3dabfd3e0fda23ad8f

Aliases

arxiv: 1903.09858 · arxiv_version: 1903.09858v1 · doi: 10.48550/arxiv.1903.09858 · pith_short_12: NTMUH2I5RLDK · pith_short_16: NTMUH2I5RLDKHE6I · pith_short_8: NTMUH2I5

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/NTMUH2I5RLDKHE6INTH7EHVYB5 \
  | 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: 6cd943e91d8ac6a393c86ccff21eb80f52a02ecf75797a3dabfd3e0fda23ad8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f98def38c8b7ecd7e943eb8a69e09c22dc7cb8ac2c350859280f2a5e782e3f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-23T18:12:51Z",
    "title_canon_sha256": "a81363be2e85eeea0cd6180e2ddf7493a03385043ecc8e463222053957e9f7cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09858",
    "kind": "arxiv",
    "version": 1
  }
}