Pith Number

pith:URHWDNPI

pith:2020:URHWDNPIKP3FKQ3RUSG2UIJJML

not attested not anchored not stored refs pending

Random perturbations of an eco-epidemiological model

C\'esar M. Silva, Helder Vilarinho, Lopo F. de Jesus

arxiv:2007.10188 v1 · 2020-07-20 · math.DS · 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{URHWDNPIKP3FKQ3RUSG2UIJJML}

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	2026-07-05T01:20:34.086344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44f61b5e853f6554371a48daa212962fa88bfeec33756e95967c4beb712f88b

Aliases

arxiv: 2007.10188 · arxiv_version: 2007.10188v1 · doi: 10.48550/arxiv.2007.10188 · pith_short_12: URHWDNPIKP3F · pith_short_16: URHWDNPIKP3FKQ3R · pith_short_8: URHWDNPI

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/URHWDNPIKP3FKQ3RUSG2UIJJML \
  | 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: a44f61b5e853f6554371a48daa212962fa88bfeec33756e95967c4beb712f88b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c89b642edbc93dd98c60c3b8970dabbb15798ae2e2457413a4d5eafa5c7171b",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2020-07-20T15:22:30Z",
    "title_canon_sha256": "5536de3889d8c0d96486757521ed0ef5227519aed98904a6fd0b60d2a383dd17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.10188",
    "kind": "arxiv",
    "version": 1
  }
}