Pith Number

pith:LWYT7JH2

pith:2014:LWYT7JH2A7ABRKOL5TI5DCBMQ7

not attested not anchored not stored refs pending

A perceptual hash function to store and retrieve large scale DNA sequences

Engelbert Mephu Nguifo, Jocelyn De Goer De Herve, Myoung-Ah Kang, Xavier Bailly

arxiv:1412.5517 v1 · 2014-12-17 · cs.CE · 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{LWYT7JH2A7ABRKOL5TI5DCBMQ7}

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	2026-05-18T02:31:02.812851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5db13fa4fa07c018a9cbecd1d1882c87c15c95d7f3acc05155d4254422516273

Aliases

arxiv: 1412.5517 · arxiv_version: 1412.5517v1 · doi: 10.48550/arxiv.1412.5517 · pith_short_12: LWYT7JH2A7AB · pith_short_16: LWYT7JH2A7ABRKOL · pith_short_8: LWYT7JH2

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/LWYT7JH2A7ABRKOL5TI5DCBMQ7 \
  | 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: 5db13fa4fa07c018a9cbecd1d1882c87c15c95d7f3acc05155d4254422516273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bcb6fce1dd7451285f20ebcc4a8d0574e1340ed01cb82a298f3509b82cdff6f",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2014-12-17T18:47:57Z",
    "title_canon_sha256": "2dedf051543488dc1e2c81924d6285ae0c0c0aaf6cadb48a7283d7b4c1eae134"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5517",
    "kind": "arxiv",
    "version": 1
  }
}