Pith Number

pith:ARJU7FOM

pith:2008:ARJU7FOMGYZRYAXY5LBJXENSB3

not attested not anchored not stored refs pending

Matrix Graph Grammars

Pedro Pablo Perez Velasco

arxiv:0801.1245 v2 · 2008-01-08 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ARJU7FOMGYZRYAXY5LBJXENSB3}

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	2026-07-04T17:15:52.013595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04534f95cc36331c02f8eac29b91b20ed3f07aa16af8c9587b93dffae25dddbf

Aliases

arxiv: 0801.1245 · arxiv_version: 0801.1245v2 · doi: 10.48550/arxiv.0801.1245 · pith_short_12: ARJU7FOMGYZR · pith_short_16: ARJU7FOMGYZRYAXY · pith_short_8: ARJU7FOM

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/ARJU7FOMGYZRYAXY5LBJXENSB3 \
  | 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: 04534f95cc36331c02f8eac29b91b20ed3f07aa16af8c9587b93dffae25dddbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a1a36f6a3c0ab954f6984fb65e1e5d7e8fdff89bbf57dda63103f7f8761d3bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2008-01-08T06:04:37Z",
    "title_canon_sha256": "e6a412b6b528d120c1670aa81a49116a067f16007adb2d6af59393e51ab34fc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1245",
    "kind": "arxiv",
    "version": 2
  }
}