Pith Number

pith:YGYH5L52

pith:2009:YGYH5L52HOU4BX5IEHYQXNF7PU

not attested not anchored not stored refs pending

Omnivory can both enhance and dampen perturbations in food webs

Iaroslav Ispolatov, Michael Doebeli

arxiv:0910.0297 v1 · 2009-10-02 · 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{YGYH5L52HOU4BX5IEHYQXNF7PU}

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	2026-05-18T00:51:28.947627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b07eafba3ba9c0dfa821f10bb4bf7d1cdfa398b94d6b45a5907089873df68d

Aliases

arxiv: 0910.0297 · arxiv_version: 0910.0297v1 · doi: 10.48550/arxiv.0910.0297 · pith_short_12: YGYH5L52HOU4 · pith_short_16: YGYH5L52HOU4BX5I · pith_short_8: YGYH5L52

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/YGYH5L52HOU4BX5IEHYQXNF7PU \
  | 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: c1b07eafba3ba9c0dfa821f10bb4bf7d1cdfa398b94d6b45a5907089873df68d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed62e23c1db9a0e7a81cec4b58f11e518de39368552c5423640594619d1ed5a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-10-02T00:34:12Z",
    "title_canon_sha256": "2832f13935db3240b436da58ccac3f751bb0ce9e39ec8702c06ff881a1940d9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0297",
    "kind": "arxiv",
    "version": 1
  }
}