Pith Number

pith:EJ5EZ3WC

pith:2026:EJ5EZ3WCPSLKEE7RKI3J4APFHP

not attested not anchored not stored refs pending

GraphAlg Playground: An Online Platform for Learning and Experimenting with the GraphAlg Language

Bram van de Wall, Daan de Graaf, George Fletcher, Nikolay Yakovets, Robert Brijder, Soham Chakraborty

arxiv:2606.04813 v1 · 2026-06-03 · cs.DB · cs.PL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJ5EZ3WCPSLKEE7RKI3J4APFHP}

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	2026-06-04T01:09:31.009659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227a4ceec27c96a213f152369e01e53bec8831a687bc946c58885ecdae86aeb1

Aliases

arxiv: 2606.04813 · arxiv_version: 2606.04813v1 · doi: 10.48550/arxiv.2606.04813 · pith_short_12: EJ5EZ3WCPSLK · pith_short_16: EJ5EZ3WCPSLKEE7R · pith_short_8: EJ5EZ3WC

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/EJ5EZ3WCPSLKEE7RKI3J4APFHP \
  | 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: 227a4ceec27c96a213f152369e01e53bec8831a687bc946c58885ecdae86aeb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52106e3284bb6025be2241e486037b8104e1ea8b82265fad882fb8a889b3a959",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-06-03T12:37:43Z",
    "title_canon_sha256": "35db82399778989349cb96ed14472f6409d7cc01650fb88e4012bbd151638114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04813",
    "kind": "arxiv",
    "version": 1
  }
}