Pith Number

pith:M5M4VK5I

pith:2019:M5M4VK5IG2MIJV7YRRAXCYFTOB

not attested not anchored not stored refs pending

Matching reads to many genomes with the $r$-index

Alan Kuhnle, Ben Langmead, Christina Boucher, Giovanni Manzini, Taher Mun, Travis Gagie

arxiv:1908.01263 v1 · 2019-08-04 · 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{M5M4VK5IG2MIJV7YRRAXCYFTOB}

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	2026-07-04T23:51:28.634491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6759caaba8369884d7f88c417160b37057e058ed1d8c49d47ea483f2507c8d91

Aliases

arxiv: 1908.01263 · arxiv_version: 1908.01263v1 · doi: 10.48550/arxiv.1908.01263 · pith_short_12: M5M4VK5IG2MI · pith_short_16: M5M4VK5IG2MIJV7Y · pith_short_8: M5M4VK5I

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/M5M4VK5IG2MIJV7YRRAXCYFTOB \
  | 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: 6759caaba8369884d7f88c417160b37057e058ed1d8c49d47ea483f2507c8d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e0f03f847b0c04df0b5dfaeabb7be227b0ca6e2a7075d7fc87c515744df161",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-08-04T03:31:16Z",
    "title_canon_sha256": "2a83d7f8617610d4950b2a504e77f4369fb9d62c84a39ecaf0594d674d222ca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01263",
    "kind": "arxiv",
    "version": 1
  }
}