Pith Number

pith:DUWVIU4P

pith:2017:DUWVIU4PNPLKIVLHLPWQHLCYL3

not attested not anchored not stored refs pending

Reconciling optical and radio observations of the binary millisecond pulsar PSR J1640+2224

Adam T. Deller, Alina G. Istrate, Benjamin W. Stappers, David L. Kaplan, Sarah J. Vigeland, Thomas M. Tauris

arxiv:1711.11063 v2 · 2017-11-29 · astro-ph.SR · astro-ph.HE · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUWVIU4PNPLKIVLHLPWQHLCYL3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:20:44.239542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d2d54538f6bd6a455675bed03ac585ecd13e03d2645d0e975366e7cc4e72ee6

Aliases

arxiv: 1711.11063 · arxiv_version: 1711.11063v2 · doi: 10.48550/arxiv.1711.11063 · pith_short_12: DUWVIU4PNPLK · pith_short_16: DUWVIU4PNPLKIVLH · pith_short_8: DUWVIU4P

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/DUWVIU4PNPLKIVLHLPWQHLCYL3 \
  | 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: 1d2d54538f6bd6a455675bed03ac585ecd13e03d2645d0e975366e7cc4e72ee6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2533ecc7676dbafddab0384241c9734536c6bed505dea47815d8d542b7932313",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-29T19:15:13Z",
    "title_canon_sha256": "92a28780e73d13b28e000b4401876e22d6d340a3a49098c781c8526f08fe8e73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11063",
    "kind": "arxiv",
    "version": 2
  }
}