Pith Number

pith:CCZT4XJV

pith:2019:CCZT4XJV53EXKNQHQOC6ZZXGGX

not attested not anchored not stored refs pending

A pulsar-based timescale from the International Pulsar Timing Array

A. Brazier, A. Lyne, A. Possenti, A. Sesana, B. B. P. Perera, B. W. Stappers, C. G. Bassa, C. J. Russell, C. M. F. Mingarelli, D. J. Champion, D. J. Nice, D. J. Reardon, D. Matsakis, D. Perrodin, E. Graikou, G. Desvignes, G. H. Janssen, G. Hobbs, G. Shaifullah, G. Theureau, I. Cognard, I. H. Stairs, J. B. Wang, J. K. Swiggum, J. Simon, J. W. McKee, K. J. Lee, K. Liu, L. Guillemot, L. Guo, L. Toomey, M. A. McLaughlin, M. Bailes, M. J. Keith, M. Kerr, M. Kramer, M. L. Tong, M. T. Lam, N. D. R. Bhat, R. D. Ferdman, R. Lynch, R. M. Shannon, R. N. Caballero, R. N. Manchester, R. Spiewak, R. van Haasteren, S. Burke-Spolaor, S. Chatterjee, S. Dai, S. Oslowski, S. R. Taylor, S. Sanidas, T. Dolch, T. J. W. Lazio, T. T. Pennucci, W. Coles, X. J. Zhu, Y. Wang, Z. Arzoumanian

arxiv:1910.13628 v1 · 2019-10-30 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CCZT4XJV53EXKNQHQOC6ZZXGGX}

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	2026-07-05T00:30:32.946092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10b33e5d35eec97536078385ece6e635cda2af7993846129cac14b886fa1d7e1

Aliases

arxiv: 1910.13628 · arxiv_version: 1910.13628v1 · doi: 10.48550/arxiv.1910.13628 · pith_short_12: CCZT4XJV53EX · pith_short_16: CCZT4XJV53EXKNQH · pith_short_8: CCZT4XJV

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/CCZT4XJV53EXKNQHQOC6ZZXGGX \
  | 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: 10b33e5d35eec97536078385ece6e635cda2af7993846129cac14b886fa1d7e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3e080c7995eff7fc9722dfc02801a0bb7bdf334146fe1a509b82222e68b556e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-10-30T02:32:03Z",
    "title_canon_sha256": "5380d97fb4bbb10a885f50d939bbae032d585b2a8b6d76e682a6ceec2a3baec5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13628",
    "kind": "arxiv",
    "version": 1
  }
}