Pith Number

pith:LQ5BGMI5

pith:2014:LQ5BGMI5QU6YPM6IAOFH55STFH

not attested not anchored not stored refs pending

Backlund Transformations for Darboux Integrable Differential Systems: Examples and Applications

Ian M. Anderson, Mark E. Fels

arxiv:1407.3011 v2 · 2014-07-11 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQ5BGMI5QU6YPM6IAOFH55STFH}

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	2026-05-18T01:34:13.456588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c3a13311d853d87b3c8038a7ef65329d02c9553fbf134457eeeada9c9e92a61

Aliases

arxiv: 1407.3011 · arxiv_version: 1407.3011v2 · doi: 10.48550/arxiv.1407.3011 · pith_short_12: LQ5BGMI5QU6Y · pith_short_16: LQ5BGMI5QU6YPM6I · pith_short_8: LQ5BGMI5

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/LQ5BGMI5QU6YPM6IAOFH55STFH \
  | 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: 5c3a13311d853d87b3c8038a7ef65329d02c9553fbf134457eeeada9c9e92a61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a162f329f93f14c10c3598cf5f53ed9d2e917ff0b6d6a1505692f1dce982deb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-11T02:58:35Z",
    "title_canon_sha256": "7e431974a37958345b09630430a27506a00679a31118ce1cedd7a7a5059fa25e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3011",
    "kind": "arxiv",
    "version": 2
  }
}