Pith Number

pith:Q4XHYRCR

pith:2016:Q4XHYRCRN2HTDJVW4JJXGGI7IS

not attested not anchored not stored refs pending

Inferring parameters of prey switching in a plankton 1 predator--2 prey system with a linear preference tradeoff

Lauri Harhanen, Mason A. Porter, Philip K. Maini, Sofia H. Piltz

arxiv:1610.07094 v2 · 2016-10-22 · math.DS · nlin.AO · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4XHYRCRN2HTDJVW4JJXGGI7IS}

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	2026-05-18T00:05:34.646562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

872e7c44516e8f31a6b6e25373191f44949645bb077401dc639a6fd6885f7288

Aliases

arxiv: 1610.07094 · arxiv_version: 1610.07094v2 · doi: 10.48550/arxiv.1610.07094 · pith_short_12: Q4XHYRCRN2HT · pith_short_16: Q4XHYRCRN2HTDJVW · pith_short_8: Q4XHYRCR

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/Q4XHYRCRN2HTDJVW4JJXGGI7IS \
  | 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: 872e7c44516e8f31a6b6e25373191f44949645bb077401dc639a6fd6885f7288

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f02ecdc28533adf45a3b7f20dd846f6b563bf476b3fc42f62889c1c8290c98b0",
    "cross_cats_sorted": [
      "nlin.AO",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-10-22T20:35:00Z",
    "title_canon_sha256": "4797e47a53b867e3e171ceac20dec5d5fd71401ad10f64e080d5bf6d8c3847ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07094",
    "kind": "arxiv",
    "version": 2
  }
}