Pith Number

pith:IQOZJHB5

pith:2019:IQOZJHB56QV24EW5MQDYASULLN

not attested not anchored not stored refs pending

Measuring timing properties of PSR B0540-69

Hongjun An, Minjun Kim

arxiv:1903.01107 v2 · 2019-03-04 · 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{IQOZJHB56QV24EW5MQDYASULLN}

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	2026-05-17T23:46:52.791452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

441d949c3df42bae12dd6407804a8b5b776e1e8a256e0f27076700d186c2c428

Aliases

arxiv: 1903.01107 · arxiv_version: 1903.01107v2 · doi: 10.48550/arxiv.1903.01107 · pith_short_12: IQOZJHB56QV2 · pith_short_16: IQOZJHB56QV24EW5 · pith_short_8: IQOZJHB5

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/IQOZJHB56QV24EW5MQDYASULLN \
  | 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: 441d949c3df42bae12dd6407804a8b5b776e1e8a256e0f27076700d186c2c428

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def14a3239b171a921e0be9c9bd32092fcfd4b9e36de55d4f4b88418f2affbc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-04T07:46:08Z",
    "title_canon_sha256": "f3d08977e1e43672befad3e281970c7b69b1cc625e9ecb939989e9e5e14a48ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01107",
    "kind": "arxiv",
    "version": 2
  }
}