Pith Number

pith:DIIPAXPK

pith:2019:DIIPAXPKDSNQI24THQP2DDR2T2

not attested not anchored not stored refs pending

On the subgraph query problem

Alexander Moreira, Chady Ben Hamida, Ryan Alweiss, Xiaoyu He

arxiv:1911.04413 v2 · 2019-11-11 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DIIPAXPKDSNQI24THQP2DDR2T2}

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	2026-07-05T02:09:35.779179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a10f05dea1c9b046b933c1fa18e3a9e976b4a4ade0360fd140af0ff6b39854e

Aliases

arxiv: 1911.04413 · arxiv_version: 1911.04413v2 · doi: 10.48550/arxiv.1911.04413 · pith_short_12: DIIPAXPKDSNQ · pith_short_16: DIIPAXPKDSNQI24T · pith_short_8: DIIPAXPK

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/DIIPAXPKDSNQI24THQP2DDR2T2 \
  | 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: 1a10f05dea1c9b046b933c1fa18e3a9e976b4a4ade0360fd140af0ff6b39854e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff41050bab2e2977c97c5f2c9326c125a2362da439fbae0f56e2a4028b8b17ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-11-11T17:39:56Z",
    "title_canon_sha256": "68a3c2304a43dfcae6bf2215a8c0f61d037dff779d99e25716a201d1852be1af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04413",
    "kind": "arxiv",
    "version": 2
  }
}