Pith Number

pith:3U7ASYNB

pith:2013:3U7ASYNBVDSGCIG7A2GVHFE67Q

not attested not anchored not stored refs pending

Counting approximately-shortest paths in directed acyclic graphs

Mat\'u\v{s} Mihal\'ak, Peter Widmayer, Rastislav \v{S}r\'amek

arxiv:1304.6707 v2 · 2013-04-24 · 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{3U7ASYNBVDSGCIG7A2GVHFE67Q}

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	2026-05-18T03:10:45.820912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd3e0961a1a8e46120df068d53949efc3623b9720df205d88a713d184509416e

Aliases

arxiv: 1304.6707 · arxiv_version: 1304.6707v2 · doi: 10.48550/arxiv.1304.6707 · pith_short_12: 3U7ASYNBVDSG · pith_short_16: 3U7ASYNBVDSGCIG7 · pith_short_8: 3U7ASYNB

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/3U7ASYNBVDSGCIG7A2GVHFE67Q \
  | 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: dd3e0961a1a8e46120df068d53949efc3623b9720df205d88a713d184509416e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d17422c5f10a0491b4394e548884361a64bfa0953d7270b16600da7e78e9b854",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-24T19:46:23Z",
    "title_canon_sha256": "6a97d05296f9ee75b08cdabba4d5765e11ed3156b8255f1f062ce5d68555c62d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6707",
    "kind": "arxiv",
    "version": 2
  }
}