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Pith Number

pith:QEXMJEWO

pith:2015:QEXMJEWOKPAZFJA7LD54TKVWN3
not attested not anchored not stored refs pending

Comparison between GFDM and VOFDM

Dan Zhang, Ivan Gaspar, Luciano Mendes, Maximilian Matth\'e

arxiv:1507.06833 v1 · 2015-07-24 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QEXMJEWOKPAZFJA7LD54TKVWN3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T01:36:21.914617Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

812ec492ce53c192a41f58fbc9aab66ed4f0e161eb597bc67d9644b7c981af94

Aliases

arxiv: 1507.06833 · arxiv_version: 1507.06833v1 · doi: 10.48550/arxiv.1507.06833 · pith_short_12: QEXMJEWOKPAZ · pith_short_16: QEXMJEWOKPAZFJA7 · pith_short_8: QEXMJEWO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QEXMJEWOKPAZFJA7LD54TKVWN3 \
  | 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: 812ec492ce53c192a41f58fbc9aab66ed4f0e161eb597bc67d9644b7c981af94
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1d6d8b85f17a169c848c2fa5e27e97e2f9c5859f68d5bb0711e312900a701362",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-24T13:05:27Z",
    "title_canon_sha256": "c09f15b367b28ae92cf3eab5f84752971c9c17bb339a2f89d918ef690799a5cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06833",
    "kind": "arxiv",
    "version": 1
  }
}