Pith Number

pith:FPEZVIAX

pith:2019:FPEZVIAXGBGPHUBTB5QLRTF2G7

not attested not anchored not stored refs pending

Spreading speeds for multidimensional reaction-diffusion systems of the prey-predator type

Arnaud Ducrot (IMB), Hiroshi Matano (GSMS), Thomas Giletti (IECL)

arxiv:1907.02592 v1 · 2019-07-03 · 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{FPEZVIAXGBGPHUBTB5QLRTF2G7}

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	2026-05-17T23:41:23.833988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc99aa017304cf3d0330f60b8ccba37cba26ddf57e5a757322418faeb10c30a

Aliases

arxiv: 1907.02592 · arxiv_version: 1907.02592v1 · doi: 10.48550/arxiv.1907.02592 · pith_short_12: FPEZVIAXGBGP · pith_short_16: FPEZVIAXGBGPHUBT · pith_short_8: FPEZVIAX

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/FPEZVIAXGBGPHUBTB5QLRTF2G7 \
  | 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: 2bc99aa017304cf3d0330f60b8ccba37cba26ddf57e5a757322418faeb10c30a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ebf736e0b98a6d9c12c873cb02072bc86c40f7a135ed8f29b1669788f669018",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-03T06:48:48Z",
    "title_canon_sha256": "a1070c7ad6bf3818cbec8b1ba284959cc4e65b0f803c90d94c5b69fe1464e2bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02592",
    "kind": "arxiv",
    "version": 1
  }
}