Pith Number

pith:2GILBGRM

pith:2015:2GILBGRMPL77ULGA4KJ33IU3SQ

not attested not anchored not stored refs pending

Air pollution in a tropical city: the relationship between wind direction and lichen bio-indicators in San Jos\'e, Costa Rica

Erich Neurohr Bustamante, Juli\'an Monge-N\'ajera, Mar\'ia Isabel Gonz\'alez Lutz

arxiv:1511.01010 v1 · 2015-11-03 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GILBGRMPL77ULGA4KJ33IU3SQ}

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	2026-05-18T01:27:55.458388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d190b09a2c7afffa2cc0e293bda29b94058ec0b3670e227edf36791b492f2405

Aliases

arxiv: 1511.01010 · arxiv_version: 1511.01010v1 · doi: 10.48550/arxiv.1511.01010 · pith_short_12: 2GILBGRMPL77 · pith_short_16: 2GILBGRMPL77ULGA · pith_short_8: 2GILBGRM

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/2GILBGRMPL77ULGA4KJ33IU3SQ \
  | 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: d190b09a2c7afffa2cc0e293bda29b94058ec0b3670e227edf36791b492f2405

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab3f197fadb62708223aa325ab2c41647fa9e2d6616a27adf11844f3da0e1622",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2015-11-03T17:44:56Z",
    "title_canon_sha256": "df0315ad322c7e9b4335b52e7a4eb2d85d147aeb21690fc9c7552f8076ed7e15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01010",
    "kind": "arxiv",
    "version": 1
  }
}