Pith Number

pith:SIGKA6HI

pith:2019:SIGKA6HIYZHDQW5PTZTSWPTW5C

not attested not anchored not stored refs pending

Spatial memory and taxis-driven pattern formation in model ecosystems

Jonathan R. Potts, Mark A. Lewis

arxiv:1903.05381 v2 · 2019-03-13 · 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{SIGKA6HIYZHDQW5PTZTSWPTW5C}

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	2026-05-17T23:44:07.030890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920ca078e8c64e385baf9e672b3e76e8b3b5eb6ce304d287cda5b52788d00a3d

Aliases

arxiv: 1903.05381 · arxiv_version: 1903.05381v2 · doi: 10.48550/arxiv.1903.05381 · pith_short_12: SIGKA6HIYZHD · pith_short_16: SIGKA6HIYZHDQW5P · pith_short_8: SIGKA6HI

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/SIGKA6HIYZHDQW5PTZTSWPTW5C \
  | 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: 920ca078e8c64e385baf9e672b3e76e8b3b5eb6ce304d287cda5b52788d00a3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c42af44c9ea51b9a416fd4ee830c7353c3b186b84b304ea615c3a7839d26d2ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-03-13T09:51:09Z",
    "title_canon_sha256": "7b13a1b832af9d4bc62149c9339a3c222c4cefce5161641ef96b31aafa2bc470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05381",
    "kind": "arxiv",
    "version": 2
  }
}