pith. the verified trust layer for science. sign in
Pith Number

pith:H7UD3XBD

pith:2016:H7UD3XBDDXWAW7W2RLTFUQS7BC
not attested not anchored not stored refs pending

Microarcsecond VLBI pulsar astrometry with PSRPI I. Two binary millisecond pulsars with white dwarf companions

A. Lyne, A. T. Deller, B. W. Stappers, D. L. Kaplan, G. H. Janssen, J. M. Cordes, L. Petrov, S. Chatterjee, S. J. Vigeland, T. J. W. Lazio, W. F. Brisken, W. M. Goss

arxiv:1604.02367 v3 · 2016-04-08 · astro-ph.SR · astro-ph.HE · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{H7UD3XBDDXWAW7W2RLTFUQS7BC}

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 2026-05-18T01:07:16.755048Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3fe83ddc231dec0b7eda8ae65a425f08ab214a26b8bc8349b65eb5fe2af781a3

Aliases

arxiv: 1604.02367 · arxiv_version: 1604.02367v3 · doi: 10.48550/arxiv.1604.02367 · pith_short_12: H7UD3XBDDXWA · pith_short_16: H7UD3XBDDXWAW7W2 · pith_short_8: H7UD3XBD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/H7UD3XBDDXWAW7W2RLTFUQS7BC \
  | 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: 3fe83ddc231dec0b7eda8ae65a425f08ab214a26b8bc8349b65eb5fe2af781a3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d3faac3812f16f42589e277838646601d8b092b3d0f426fd30b7ac8f98543537",
    "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": "2016-04-08T15:06:07Z",
    "title_canon_sha256": "727ca9b50df6993499896b858e5c711091150ed36d74f3a035ddf30e4af69476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02367",
    "kind": "arxiv",
    "version": 3
  }
}