Pith Number

pith:SY2BXMTR

pith:2013:SY2BXMTRN7XGSIEXR4Y42WI7OY

not attested not anchored not stored refs pending

Analysis of Polar Motion Variations from 170-year Observation Series

N. Miller, Z. Malkin

arxiv:1304.3985 v1 · 2013-04-15 · physics.geo-ph · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SY2BXMTRN7XGSIEXR4Y42WI7OY}

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	2026-05-18T03:05:26.125536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96341bb2716fee6920978f31cd591f76352d738570e2765b802acb88a19ab46c

Aliases

arxiv: 1304.3985 · arxiv_version: 1304.3985v1 · doi: 10.48550/arxiv.1304.3985 · pith_short_12: SY2BXMTRN7XG · pith_short_16: SY2BXMTRN7XGSIEX · pith_short_8: SY2BXMTR

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/SY2BXMTRN7XGSIEXR4Y42WI7OY \
  | 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: 96341bb2716fee6920978f31cd591f76352d738570e2765b802acb88a19ab46c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df61bdeafa255d15f2a4eda0a4d85b75541c6d43acf6f02ac357125df6fae867",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2013-04-15T05:26:27Z",
    "title_canon_sha256": "f378711f8c7bbf8264a7f2bdb8e16624152545cac4ff6b9e7b2c4938c56de6b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3985",
    "kind": "arxiv",
    "version": 1
  }
}