Pith Number

pith:CTAPGQMA

pith:2013:CTAPGQMAFEQHOKFQSP6HBWIQOS

not attested not anchored not stored refs pending

Non-local symmetries of the Hirota-Satsuma coupled KdV system and their applications

Junchao Chen, Xiangpeng Xin, Yong Chen

arxiv:1301.0438 v1 · 2013-01-03 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTAPGQMAFEQHOKFQSP6HBWIQOS}

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	2026-05-18T03:37:19.633950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14c0f3418029207728b093fc70d91074b8d0e26fc6acd55c39ec3e1c2df64045

Aliases

arxiv: 1301.0438 · arxiv_version: 1301.0438v1 · doi: 10.48550/arxiv.1301.0438 · pith_short_12: CTAPGQMAFEQH · pith_short_16: CTAPGQMAFEQHOKFQ · pith_short_8: CTAPGQMA

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/CTAPGQMAFEQHOKFQSP6HBWIQOS \
  | 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: 14c0f3418029207728b093fc70d91074b8d0e26fc6acd55c39ec3e1c2df64045

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "383c57918cdcce84c1bf47749ff5c91a4dbbbcebbbae2181b51725123ad759dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-01-03T12:34:31Z",
    "title_canon_sha256": "bb57c22b80c23b33aa138cc93e0a0a0492d0db940e053c6ccbc65030f9aee1e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0438",
    "kind": "arxiv",
    "version": 1
  }
}