Pith Number

pith:APJNUHBG

pith:2014:APJNUHBG2D4AVKPEMKAH5W5QRX

not attested not anchored not stored refs pending

Hyperbolic predators vs parabolic preys

Elena Rossi, Rinaldo M. Colombo

arxiv:1402.2099 v1 · 2014-02-10 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APJNUHBG2D4AVKPEMKAH5W5QRX}

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	2026-05-18T02:59:32.310584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d2da1c26d0f80aa9e462807edbb08dca7e85c8c4489b56ff3ecb9a7328803e

Aliases

arxiv: 1402.2099 · arxiv_version: 1402.2099v1 · doi: 10.48550/arxiv.1402.2099 · pith_short_12: APJNUHBG2D4A · pith_short_16: APJNUHBG2D4AVKPE · pith_short_8: APJNUHBG

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/APJNUHBG2D4AVKPEMKAH5W5QRX \
  | 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: 03d2da1c26d0f80aa9e462807edbb08dca7e85c8c4489b56ff3ecb9a7328803e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d2ae93113daed7fffd11042ada5d58c0165455b8226ffb6c853e81f05326626",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-02-10T10:56:47Z",
    "title_canon_sha256": "354995a227bb618607f3f065a44a9461e8c3355ef413715d0f218022157ed3b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2099",
    "kind": "arxiv",
    "version": 1
  }
}