Pith Number

pith:3HF3F5VP

pith:2012:3HF3F5VP7LUO6P6ATPPD5USFVG

not attested not anchored not stored refs pending

Synchronization in ecological systems by weak dispersal coupling with time delay

Antony R. Humphries, Emily Wall, Frederic Guichard

arxiv:1209.2975 v2 · 2012-09-13 · 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{3HF3F5VP7LUO6P6ATPPD5USFVG}

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	2026-05-18T00:43:23.494005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9cbb2f6affae8ef3fc09bde3ed245a98074032fbc39ee2832a21a10a282c62f

Aliases

arxiv: 1209.2975 · arxiv_version: 1209.2975v2 · doi: 10.48550/arxiv.1209.2975 · pith_short_12: 3HF3F5VP7LUO · pith_short_16: 3HF3F5VP7LUO6P6A · pith_short_8: 3HF3F5VP

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/3HF3F5VP7LUO6P6ATPPD5USFVG \
  | 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: d9cbb2f6affae8ef3fc09bde3ed245a98074032fbc39ee2832a21a10a282c62f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edaa73dbeb7454f8177cbc745ec82cdb4e6ffe0f5ae71ff1a7782883951d4bcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-09-13T17:48:50Z",
    "title_canon_sha256": "faf04e98652b13a351f500f568b8e605cc99843898f4dd88ebb4a7a6eeb673d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2975",
    "kind": "arxiv",
    "version": 2
  }
}