Pith Number

pith:VPQKLKPY

pith:2013:VPQKLKPYFVW7PXZMOEUWQY6XMH

not attested not anchored not stored refs pending

A Brief Study of Open Source Graph Databases

Dan Campbell, David Bader, David Ediger, Jason Poovey, Rob McColl

arxiv:1309.2675 v1 · 2013-09-06 · cs.DB · cs.DS · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPQKLKPYFVW7PXZMOEUWQY6XMH}

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	2026-05-18T03:13:35.254894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abe0a5a9f82d6df7df2c71296863d761f5c01a00a6e22346b7571c5604042ffd

Aliases

arxiv: 1309.2675 · arxiv_version: 1309.2675v1 · doi: 10.48550/arxiv.1309.2675 · pith_short_12: VPQKLKPYFVW7 · pith_short_16: VPQKLKPYFVW7PXZM · pith_short_8: VPQKLKPY

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/VPQKLKPYFVW7PXZMOEUWQY6XMH \
  | 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: abe0a5a9f82d6df7df2c71296863d761f5c01a00a6e22346b7571c5604042ffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f50c54aeaf5922e3f16ace11075506875fe45e5e38a13a6ebb60f6c720c9c763",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-09-06T18:36:33Z",
    "title_canon_sha256": "f94c621229feab04d2143b49955e3e6bb39c85a1f73890d89de221fd2c44becd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2675",
    "kind": "arxiv",
    "version": 1
  }
}