Pith Number

pith:7CKSEG5U

pith:2013:7CKSEG5U3CIBUVGFOS2VBCIV6O

not attested not anchored not stored refs pending

Adaptive reference-free compression of sequence quality scores

Anthony J. Cox, Giovanna Rosone, Lilian Janin

arxiv:1305.0159 v1 · 2013-05-01 · q-bio.GN · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CKSEG5U3CIBUVGFOS2VBCIV6O}

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	2026-05-18T03:26:41.817627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f895221bb4d8901a54c574b5508915f3ba692ab9fcbb993e5635bbbf4122b551

Aliases

arxiv: 1305.0159 · arxiv_version: 1305.0159v1 · doi: 10.48550/arxiv.1305.0159 · pith_short_12: 7CKSEG5U3CIB · pith_short_16: 7CKSEG5U3CIBUVGF · pith_short_8: 7CKSEG5U

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/7CKSEG5U3CIBUVGFOS2VBCIV6O \
  | 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: f895221bb4d8901a54c574b5508915f3ba692ab9fcbb993e5635bbbf4122b551

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3909e6d685eb58f541c5246caa89ab78ef57c648d0f33cc7a1edf594effdce9f",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2013-05-01T12:51:10Z",
    "title_canon_sha256": "a5b7dc15c75882685b11ec525e8537059e5250afae7ac5bd8fc7f1f55e1b9bc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0159",
    "kind": "arxiv",
    "version": 1
  }
}