Pith Number

pith:GJPD7AKT

pith:2013:GJPD7AKTJBWP57G3SA22FFLP5R

not attested not anchored not stored refs pending

An algebraic formulation of the graph reconstruction conjecture

Bhalchandra D. Thatte, Igor C. Oliveira

arxiv:1301.4121 v2 · 2013-01-17 · math.CO · 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{GJPD7AKTJBWP57G3SA22FFLP5R}

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	2026-05-18T02:43:24.493736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

325e3f8153486cfefcdb9035a2956fec4f6df24b490488adacd0c2cc4ff02f68

Aliases

arxiv: 1301.4121 · arxiv_version: 1301.4121v2 · doi: 10.48550/arxiv.1301.4121 · pith_short_12: GJPD7AKTJBWP · pith_short_16: GJPD7AKTJBWP57G3 · pith_short_8: GJPD7AKT

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/GJPD7AKTJBWP57G3SA22FFLP5R \
  | 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: 325e3f8153486cfefcdb9035a2956fec4f6df24b490488adacd0c2cc4ff02f68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d172659dc7525b57f8ae622e3bad860b415a9499436775f391d8b0c4ae9cfb26",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-17T15:25:55Z",
    "title_canon_sha256": "d9f7348a5f4ea0cf66edd0de40361b208d02061398fc945354173b6b8cea6214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4121",
    "kind": "arxiv",
    "version": 2
  }
}