Pith Number

pith:3E4C5XXI

pith:2014:3E4C5XXIHQBARNLYR57UUTHB2K

not attested not anchored not stored refs pending

A dichotomy in area-preserving reversible maps

Alexandre Rodrigues, Mario Bessa

arxiv:1403.3572 v1 · 2014-03-14 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3E4C5XXIHQBARNLYR57UUTHB2K}

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	2026-05-18T02:56:20.084284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9382edee83c0208b5788f7f4a4ce1d2aa35782362bfb9baf6b4fa1c5a58fbf2

Aliases

arxiv: 1403.3572 · arxiv_version: 1403.3572v1 · doi: 10.48550/arxiv.1403.3572 · pith_short_12: 3E4C5XXIHQBA · pith_short_16: 3E4C5XXIHQBARNLY · pith_short_8: 3E4C5XXI

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/3E4C5XXIHQBARNLYR57UUTHB2K \
  | 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: d9382edee83c0208b5788f7f4a4ce1d2aa35782362bfb9baf6b4fa1c5a58fbf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9d73a952fc133c4d13432f9a3e78f7f11281a1017a97e8951cf1698ed1ccce3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-03-14T13:33:51Z",
    "title_canon_sha256": "ab07ab855bb7ca552c778b49caf3dcba4435ea068ef76919b94e4e3984a16fc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3572",
    "kind": "arxiv",
    "version": 1
  }
}