pith. sign in
Pith Number

pith:CPTARG2I

pith:2015:CPTARG2I6SYFXFXXIO7XBPW6RC
not attested not anchored not stored refs pending

Composite repetition-aware data structures

Djamal Belazzougui, Fabio Cunial, Mathieu Raffinot, Nicola Prezza, Travis Gagie

arxiv:1502.05937 v2 · 2015-02-20 · cs.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CPTARG2I6SYFXFXXIO7XBPW6RC}

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 2026-05-18T02:26:38.288127Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

13e6089b48f4b05b96f743bf70bede88bfc180e813edd2a79b4f0bdc9c32b638

Aliases

arxiv: 1502.05937 · arxiv_version: 1502.05937v2 · doi: 10.48550/arxiv.1502.05937 · pith_short_12: CPTARG2I6SYF · pith_short_16: CPTARG2I6SYFXFXX · pith_short_8: CPTARG2I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CPTARG2I6SYFXFXXIO7XBPW6RC \
  | 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: 13e6089b48f4b05b96f743bf70bede88bfc180e813edd2a79b4f0bdc9c32b638
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "837e34f4102f738c74de4901ac7c46952f67121651de99bbefa6bf802adb0111",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-02-20T17:00:26Z",
    "title_canon_sha256": "b0d32c515001081e3ef74b1e0626b01d35b9d216d4e6a0f08fd048a2e163919d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05937",
    "kind": "arxiv",
    "version": 2
  }
}