Pith Number

pith:IEZWSIMK

pith:2019:IEZWSIMK6RHG77GTBUMCQID76U

not attested not anchored not stored refs pending

Predator-prey models with competition, Part III: Classification of stationary solutions

Alessandro Zilio, Henri Berestycki

arxiv:1901.02820 v1 · 2019-01-09 · 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{IEZWSIMK6RHG77GTBUMCQID76U}

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	2026-05-17T23:56:39.374487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

413369218af44e6ffcd30d1828207ff535a698a1c7319eb288ae0f5786ee3b2d

Aliases

arxiv: 1901.02820 · arxiv_version: 1901.02820v1 · doi: 10.48550/arxiv.1901.02820 · pith_short_12: IEZWSIMK6RHG · pith_short_16: IEZWSIMK6RHG77GT · pith_short_8: IEZWSIMK

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/IEZWSIMK6RHG77GTBUMCQID76U \
  | 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: 413369218af44e6ffcd30d1828207ff535a698a1c7319eb288ae0f5786ee3b2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9acefbdcf41e083e75e8d4d9513ac3ef852da509c093d68c20531a23c1474b7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-01-09T16:50:49Z",
    "title_canon_sha256": "1a6403123d59bb4bf46810fd1f4a374cebeaff6968a957709b202b15ee6508db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02820",
    "kind": "arxiv",
    "version": 1
  }
}