Pith Number

pith:2DJCAEB4

pith:2019:2DJCAEB4AJDNZAYMUQ3KSIAXZD

not attested not anchored not stored refs pending

A LOFAR search for steep-spectrum pulsars in Supernova Remnants and Pulsar Wind Nebulae

Joeri van Leeuwen, Samayra Straal

arxiv:1902.00356 v1 · 2019-01-23 · astro-ph.HE · astro-ph.IM · 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{2DJCAEB4AJDNZAYMUQ3KSIAXZD}

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	2026-05-17T23:51:30.061670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d220103c0246dc830ca436a92017c8e2f07104af361c6c0bb4ca940324d7ec

Aliases

arxiv: 1902.00356 · arxiv_version: 1902.00356v1 · doi: 10.48550/arxiv.1902.00356 · pith_short_12: 2DJCAEB4AJDN · pith_short_16: 2DJCAEB4AJDNZAYM · pith_short_8: 2DJCAEB4

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/2DJCAEB4AJDNZAYMUQ3KSIAXZD \
  | 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: d0d220103c0246dc830ca436a92017c8e2f07104af361c6c0bb4ca940324d7ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05dd83d7cf33c2474495d749be4be1b984878391eec5cad9e5d09d7619617d61",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-23T19:00:12Z",
    "title_canon_sha256": "54c66826050ef98d1d2aa0a0e7e9e58aed23f1382a9fae0ce3124c0a94892298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00356",
    "kind": "arxiv",
    "version": 1
  }
}