Pith Number

pith:WTFL4I4H

pith:2013:WTFL4I4HMDGQ7DPVZMISDTY5J7

not attested not anchored not stored refs pending

Accurate Profiling of Microbial Communities from Massively Parallel Sequencing using Convex Optimization

Amit Zeisel, Amnon Amir, Noam Shental, Ohad Shamir, Or Zuk

arxiv:1309.6919 v1 · 2013-09-26 · cs.CE · q-bio.GN · q-bio.QM · stat.AP · 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{WTFL4I4HMDGQ7DPVZMISDTY5J7}

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	2026-05-18T03:12:09.742385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4cabe238760cd0f8df5cb1121cf1d4fd39cc342685f602abd506e8dffebabaf

Aliases

arxiv: 1309.6919 · arxiv_version: 1309.6919v1 · doi: 10.48550/arxiv.1309.6919 · pith_short_12: WTFL4I4HMDGQ · pith_short_16: WTFL4I4HMDGQ7DPV · pith_short_8: WTFL4I4H

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/WTFL4I4HMDGQ7DPVZMISDTY5J7 \
  | 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: b4cabe238760cd0f8df5cb1121cf1d4fd39cc342685f602abd506e8dffebabaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a6c5ecd621e8ebf03dfada90dc365a3886c44875a9c1bdc416d49aa10ea7d5",
    "cross_cats_sorted": [
      "q-bio.GN",
      "q-bio.QM",
      "stat.AP",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2013-09-26T14:30:13Z",
    "title_canon_sha256": "d711b21e2380855ec29668c0f1900b69e1484512670826efcdfc18df145bfbab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6919",
    "kind": "arxiv",
    "version": 1
  }
}