Pith Number

pith:3HMMELSJ

pith:2017:3HMMELSJRCAP5JLVDXOIIRPBYZ

not attested not anchored not stored refs pending

Optimal Frequency Ranges for Sub-Microsecond Precision Pulsar Timing

J. M. Cordes, M. A. McLaughlin, M. T. Lam, S. Chatterjee, T. J. W. Lazio

arxiv:1710.02272 v2 · 2017-10-06 · 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{3HMMELSJRCAP5JLVDXOIIRPBYZ}

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	2026-05-18T00:12:14.157561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9d8c22e498880fea5751ddc8445e1c67023d4b5f84f688310f1b9c13002b770

Aliases

arxiv: 1710.02272 · arxiv_version: 1710.02272v2 · doi: 10.48550/arxiv.1710.02272 · pith_short_12: 3HMMELSJRCAP · pith_short_16: 3HMMELSJRCAP5JLV · pith_short_8: 3HMMELSJ

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/3HMMELSJRCAP5JLVDXOIIRPBYZ \
  | 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: d9d8c22e498880fea5751ddc8445e1c67023d4b5f84f688310f1b9c13002b770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ec7fc4a9dad84ac0f7610f2130f4ca113727c1c15ff346869dde09dbe4f21e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-10-06T04:21:14Z",
    "title_canon_sha256": "e4604a35af1d6fdfb737fe5517dbfca5000bf431d84701c94b0a671cde246b70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02272",
    "kind": "arxiv",
    "version": 2
  }
}