Pith Number

pith:YFWPKV43

pith:2015:YFWPKV437XKQQCMTCWJJS2YY3E

not attested not anchored not stored refs pending

Habitat Fluctuations Drive Species Covariation in the Human Microbiota

Aleksandra M. Walczak, Charles K. Fisher, Thierry Mora

arxiv:1510.00198 v1 · 2015-10-01 · 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{YFWPKV437XKQQCMTCWJJS2YY3E}

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	2026-05-18T01:31:20.495228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c16cf5579bfdd50809931592996b18d9357d1067a33fe05bd99367497c8f6413

Aliases

arxiv: 1510.00198 · arxiv_version: 1510.00198v1 · doi: 10.48550/arxiv.1510.00198 · pith_short_12: YFWPKV437XKQ · pith_short_16: YFWPKV437XKQQCMT · pith_short_8: YFWPKV43

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/YFWPKV437XKQQCMTCWJJS2YY3E \
  | 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: c16cf5579bfdd50809931592996b18d9357d1067a33fe05bd99367497c8f6413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f4b5cb5e4e78d2a76d171e6386bd8bd25d8d12a76f7ae550210d0dc7b745ea2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-10-01T12:12:00Z",
    "title_canon_sha256": "7ead6dc99adea341970dce8f954fb92b412a3c72b1c187d923a7570294815a11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00198",
    "kind": "arxiv",
    "version": 1
  }
}