Pith Number

pith:IGMZBSK2

pith:2018:IGMZBSK2KQIWVARQXPYFBNHUZS

not attested not anchored not stored refs pending

Information-theoretic signatures of biodiversity in the barcoding gene

Valmir C. Barbosa

arxiv:1802.09817 v1 · 2018-02-27 · 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{IGMZBSK2KQIWVARQXPYFBNHUZS}

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	2026-05-18T00:15:55.427428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

419990c95a54116a8230bbf050b4f4cca40a996ec3623cb9360429a2ff2fff2b

Aliases

arxiv: 1802.09817 · arxiv_version: 1802.09817v1 · doi: 10.48550/arxiv.1802.09817 · pith_short_12: IGMZBSK2KQIW · pith_short_16: IGMZBSK2KQIWVARQ · pith_short_8: IGMZBSK2

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/IGMZBSK2KQIWVARQXPYFBNHUZS \
  | 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: 419990c95a54116a8230bbf050b4f4cca40a996ec3623cb9360429a2ff2fff2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1132403d7ef4efca64f01e80939e52f19c6acf8ee5e5f935c01d74011f8ec616",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-02-27T10:54:44Z",
    "title_canon_sha256": "161b678d15379164b44b1ced732233220fac11f84b157a402648b125f35c6470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09817",
    "kind": "arxiv",
    "version": 1
  }
}