Pith Number

pith:KKA4TL63

pith:2019:KKA4TL635GKCRPQKBZJV254FQD

not attested not anchored not stored refs pending

EcoMem: An R package for quantifying ecological memory

Andrew O. Finley, Jarno Vanhatalo, Malcolm S. Itter

arxiv:1902.07706 v1 · 2019-02-20 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKA4TL635GKCRPQKBZJV254FQD}

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	2026-05-17T23:53:07.105927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5281c9afdbe99428be0a0e535d778580fc7a849eb180d369072a27f3f32e018a

Aliases

arxiv: 1902.07706 · arxiv_version: 1902.07706v1 · doi: 10.48550/arxiv.1902.07706 · pith_short_12: KKA4TL635GKC · pith_short_16: KKA4TL635GKCRPQK · pith_short_8: KKA4TL63

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/KKA4TL635GKCRPQKBZJV254FQD \
  | 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: 5281c9afdbe99428be0a0e535d778580fc7a849eb180d369072a27f3f32e018a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4da287ed483c3f54fbadb698947c69f858757d8213df393e02c15e11a0ee39fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2019-02-20T18:59:55Z",
    "title_canon_sha256": "a1a89f3ea00c8e6d48fdd61c66f804f974002dc101e84f1a3cb83aacfcb6f042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07706",
    "kind": "arxiv",
    "version": 1
  }
}