Pith Number

pith:A2JHAQXE

pith:2013:A2JHAQXEPRJH5PVB73JK6XDN3J

not attested not anchored not stored refs pending

Differential Geometry Perspective of Shape Coherence and Curvature Evolution by Finite-Time Non-hyperbolic Splitting

Erik Bollt, Tian Ma

arxiv:1311.5457 v3 · 2013-11-21 · 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{A2JHAQXEPRJH5PVB73JK6XDN3J}

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	2026-05-18T02:52:34.235694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06927042e47c527ebea1fed2af5c6dda5f278a5db5b26966fbf622abb6e0b089

Aliases

arxiv: 1311.5457 · arxiv_version: 1311.5457v3 · doi: 10.48550/arxiv.1311.5457 · pith_short_12: A2JHAQXEPRJH · pith_short_16: A2JHAQXEPRJH5PVB · pith_short_8: A2JHAQXE

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/A2JHAQXEPRJH5PVB73JK6XDN3J \
  | 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: 06927042e47c527ebea1fed2af5c6dda5f278a5db5b26966fbf622abb6e0b089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63fe2ecce5cfc2a494fd40223f4c95e05c5d13529307abab80f0ae37c271508e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-11-21T15:56:42Z",
    "title_canon_sha256": "f0749a2a0096416873674399628891b8d96d313f3be6de596e4b7edf5a295ce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5457",
    "kind": "arxiv",
    "version": 3
  }
}