Pith Number

pith:HFT5TR67

pith:2015:HFT5TR67ADW3FSXYIWJQGRQFIG

not attested not anchored not stored refs pending

Decomposing the site frequency spectrum: the impact of tree topology on neutrality tests

Alice Ledda, Guillaume Achaz, Luca Ferretti, Sebastian E. Ramos-Onsins, Thomas Wiehe

arxiv:1510.06748 v2 · 2015-10-22 · q-bio.PE · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFT5TR67ADW3FSXYIWJQGRQFIG}

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	2026-05-18T00:52:55.513867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3967d9c7df00edb2caf84593034605418ffb601e2610edfb87bc8c64e32cdf53

Aliases

arxiv: 1510.06748 · arxiv_version: 1510.06748v2 · doi: 10.48550/arxiv.1510.06748 · pith_short_12: HFT5TR67ADW3 · pith_short_16: HFT5TR67ADW3FSXY · pith_short_8: HFT5TR67

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/HFT5TR67ADW3FSXYIWJQGRQFIG \
  | 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: 3967d9c7df00edb2caf84593034605418ffb601e2610edfb87bc8c64e32cdf53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4dcab9bca71c1e268bdec7dfe1a92839b4f060b29436194be1eed0e8a091025",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-10-22T20:10:48Z",
    "title_canon_sha256": "1f407cabd6ab334992cdac79617ce89400d58b982d6901e60f698c304dc64c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06748",
    "kind": "arxiv",
    "version": 2
  }
}