Pith Number

pith:JG3KW7CB

pith:2011:JG3KW7CBTFXFY7JRPBE4HNNPVM

not attested not anchored not stored refs pending

Symmetry Reduction of Exterior Differential Systems and Backlund Transformations for PDE in the Plane

I. M. Anderson, M. E. Fels

arxiv:1110.5777 v1 · 2011-10-26 · 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{JG3KW7CBTFXFY7JRPBE4HNNPVM}

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	2026-05-18T04:10:11.291349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49b6ab7c41996e5c7d317849c3b5afab19b7991946e8c89794225e9e6b97edea

Aliases

arxiv: 1110.5777 · arxiv_version: 1110.5777v1 · doi: 10.48550/arxiv.1110.5777 · pith_short_12: JG3KW7CBTFXF · pith_short_16: JG3KW7CBTFXFY7JR · pith_short_8: JG3KW7CB

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/JG3KW7CBTFXFY7JRPBE4HNNPVM \
  | 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: 49b6ab7c41996e5c7d317849c3b5afab19b7991946e8c89794225e9e6b97edea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b08f8101b9946f45a22df1d3432b000f9cfb47dbe818abc40b15ed7ed3d33072",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-26T12:41:36Z",
    "title_canon_sha256": "7c0ebfffe5767e135b79940bb33b3ee1833e3f8edfb2c822cf8981381b5bfaa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5777",
    "kind": "arxiv",
    "version": 1
  }
}