Pith Number

pith:PVR4CBQG

pith:2019:PVR4CBQGETUDKRMEQO4JTVGHAR

not attested not anchored not stored refs pending

Optimizing defence, counter-defence and counter-counter defence in parasitic and trophic interactions -- A modelling study

Jan Ewald, Stefan Schuster, Sybille D\"uhring, Thomas Dandekar

arxiv:1907.04820 v1 · 2019-07-10 · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PVR4CBQGETUDKRMEQO4JTVGHAR}

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	2026-05-17T23:40:56.616295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d63c1060624e835458483b899d4c7045dd9d51f87a4cd21c52d076d0ef5c153

Aliases

arxiv: 1907.04820 · arxiv_version: 1907.04820v1 · doi: 10.48550/arxiv.1907.04820 · pith_short_12: PVR4CBQGETUD · pith_short_16: PVR4CBQGETUDKRME · pith_short_8: PVR4CBQG

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/PVR4CBQGETUDKRMEQO4JTVGHAR \
  | 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: 7d63c1060624e835458483b899d4c7045dd9d51f87a4cd21c52d076d0ef5c153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60838e4f38421be26038a56c7b4ac9b96fdc68ae659848f32c691d35112eca25",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "q-bio.SC",
    "submitted_at": "2019-07-10T16:35:00Z",
    "title_canon_sha256": "e0fa311eb391b573bb3d0c004897db2bcd330834da16cee2927f6636ea5b76a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04820",
    "kind": "arxiv",
    "version": 1
  }
}