Pith Number

pith:L7WTUJ4U

pith:2015:L7WTUJ4U2EGOSCMDGQPWYSIIM4

not attested not anchored not stored refs pending

Indexing arbitrary-length $k$-mers in sequencing reads

Sebastian Deorowicz, Szymon Grabowski, Tomasz Kowalski

arxiv:1502.01861 v3 · 2015-02-06 · cs.DS · 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{L7WTUJ4U2EGOSCMDGQPWYSIIM4}

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	2026-05-18T00:49:42.784143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fed3a2794d10ce90983341f6c4908671a79e3f18b6f7c75e3763ce5eb3fb41e

Aliases

arxiv: 1502.01861 · arxiv_version: 1502.01861v3 · doi: 10.48550/arxiv.1502.01861 · pith_short_12: L7WTUJ4U2EGO · pith_short_16: L7WTUJ4U2EGOSCMD · pith_short_8: L7WTUJ4U

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/L7WTUJ4U2EGOSCMDGQPWYSIIM4 \
  | 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: 5fed3a2794d10ce90983341f6c4908671a79e3f18b6f7c75e3763ce5eb3fb41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a01220f2c0a701331af8f9c6c689781370cd0d73d636735cb918789f30641b3",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-02-06T11:36:30Z",
    "title_canon_sha256": "301e18f37c610023caa45cd50472b7f6f18b73f3a1dd2bbb4aad471972528821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01861",
    "kind": "arxiv",
    "version": 3
  }
}