Pith Number

pith:BN7MJ5J5

pith:2015:BN7MJ5J5JHXJAHCHW32JM3YICM

not attested not anchored not stored refs pending

Querying for Paths in Graphs using Context-Free Path Queries

Jelle Hellings

arxiv:1502.02242 v2 · 2015-02-08 · cs.DB · 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{BN7MJ5J5JHXJAHCHW32JM3YICM}

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	2026-05-18T01:21:37.670433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b7ec4f53d49ee901c47b6f4966f081326c0b0c3b207ab9bc8031be2a9eb5b05

Aliases

arxiv: 1502.02242 · arxiv_version: 1502.02242v2 · doi: 10.48550/arxiv.1502.02242 · pith_short_12: BN7MJ5J5JHXJ · pith_short_16: BN7MJ5J5JHXJAHCH · pith_short_8: BN7MJ5J5

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/BN7MJ5J5JHXJAHCHW32JM3YICM \
  | 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: 0b7ec4f53d49ee901c47b6f4966f081326c0b0c3b207ab9bc8031be2a9eb5b05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffcb37f6a82690718d14dd73206f835d831aa9f23451261a962b175e3f12562f",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-02-08T12:11:33Z",
    "title_canon_sha256": "b975785548c0c417315b914dfbf3b68ff30b4140dd8bdda4f2a02c7529bc25c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02242",
    "kind": "arxiv",
    "version": 2
  }
}