Pith Number

pith:DMGD246V

pith:2013:DMGD246VVTABF4ES4KSB2JZS2E

not attested not anchored not stored refs pending

Strongly representable atom structures

Mohamed Khalifa, Tarek Sayed Ahmed

arxiv:1304.5421 v1 · 2013-04-19 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DMGD246VVTABF4ES4KSB2JZS2E}

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	2026-05-18T03:27:33.555589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b0c3d73d5acc012f092e2a41d2732d11448bfbc3cb72046addfc5c433b68224

Aliases

arxiv: 1304.5421 · arxiv_version: 1304.5421v1 · doi: 10.48550/arxiv.1304.5421 · pith_short_12: DMGD246VVTAB · pith_short_16: DMGD246VVTABF4ES · pith_short_8: DMGD246V

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/DMGD246VVTABF4ES4KSB2JZS2E \
  | 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: 1b0c3d73d5acc012f092e2a41d2732d11448bfbc3cb72046addfc5c433b68224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "473a6a9c9f91cf1d358b89fccb62c1db41c63b0cddcefa1699abf45df581b397",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-04-19T13:48:54Z",
    "title_canon_sha256": "36916fc823639491ce1a52c43fdc5f858dff5a5ead4868da30824d7677b5542c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5421",
    "kind": "arxiv",
    "version": 1
  }
}