pith. sign in
Pith Number

pith:LXJNJVZR

pith:2013:LXJNJVZRMVJUXH762HP3HY6S6G
not attested not anchored not stored refs pending

Accuracy assessment of the UT1 prediction method based on 100-year series analysis

A. Tolstikov, V. Tissen, Z. Malkin

arxiv:1304.3981 v1 · 2013-04-15 · physics.geo-ph · physics.data-an

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LXJNJVZRMVJUXH762HP3HY6S6G}

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 2026-05-18T03:05:26.148182Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5dd2d4d73165534b9ffed1dfb3e3d2f19f74bd1e591e150a99ddd99e9c4881b5

Aliases

arxiv: 1304.3981 · arxiv_version: 1304.3981v1 · doi: 10.48550/arxiv.1304.3981 · pith_short_12: LXJNJVZRMVJU · pith_short_16: LXJNJVZRMVJUXH76 · pith_short_8: LXJNJVZR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LXJNJVZRMVJUXH762HP3HY6S6G \
  | 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: 5dd2d4d73165534b9ffed1dfb3e3d2f19f74bd1e591e150a99ddd99e9c4881b5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a38dde8b6b74107bc5cff8c7eba5ef0051cd0de87f970d5d6299612551554a7f",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2013-04-15T05:10:22Z",
    "title_canon_sha256": "f6a3ff0f2e5a4a4e85c73f2b69c15dffffa6b590997bbdb038f3ee26ec387285"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3981",
    "kind": "arxiv",
    "version": 1
  }
}