Pith Number

pith:PT6MRMHT

pith:2025:PT6MRMHTXTLPI4LC3KBRHTEWVN

not attested not anchored not stored refs pending

CVTree for 16S rRNA: Constructing Taxonomy-Compatible All-Species Living Tree Effectively and Efficiently

Guang-Hong Zuo, Xiao-Yang Zhi, Yi-Fei Lu

arxiv:2505.07227 v1 · 2025-05-12 · q-bio.PE · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PT6MRMHTXTLPI4LC3KBRHTEWVN}

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	2026-07-05T11:01:44.625703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cfcc8b0f3bcd6f47162da8313cc96ab72db0843a4bf99987215805678fd4fc6

Aliases

arxiv: 2505.07227 · arxiv_version: 2505.07227v1 · doi: 10.48550/arxiv.2505.07227 · pith_short_12: PT6MRMHTXTLP · pith_short_16: PT6MRMHTXTLPI4LC · pith_short_8: PT6MRMHT

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/PT6MRMHTXTLPI4LC3KBRHTEWVN \
  | 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: 7cfcc8b0f3bcd6f47162da8313cc96ab72db0843a4bf99987215805678fd4fc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7201490d29b3da3b61d20c43a3f8f5418f609d60ec93cb97b754e8c09c966464",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2025-05-12T04:55:17Z",
    "title_canon_sha256": "5867c1e920adb4ac29af5279cd9ba3cf49664bd8ba26eef556a7e797978ee456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.07227",
    "kind": "arxiv",
    "version": 1
  }
}