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Pith Number

pith:BJTGWROZ

pith:2019:BJTGWROZPPA3BO4XQPEAEG7JNW
not attested not anchored not stored refs pending

On geometric complexity theory: Multiplicity obstructions are stronger than occurrence obstructions

Christian Ikenmeyer, Greta Panova, Julian D\"orfler

arxiv:1901.04576 v1 · 2019-01-14 · cs.CC · math.AG · math.CO · math.RT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BJTGWROZPPA3BO4XQPEAEG7JNW}

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 2026-05-17T23:56:22.358946Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0a666b45d97bc1b0bb9783c8021be96db230c82cae45014743e6f6377085405f

Aliases

arxiv: 1901.04576 · arxiv_version: 1901.04576v1 · doi: 10.48550/arxiv.1901.04576 · pith_short_12: BJTGWROZPPA3 · pith_short_16: BJTGWROZPPA3BO4X · pith_short_8: BJTGWROZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BJTGWROZPPA3BO4XQPEAEG7JNW \
  | 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: 0a666b45d97bc1b0bb9783c8021be96db230c82cae45014743e6f6377085405f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f4961a18dd02bd05a06f1baa8abab1635cc943a379bbe0be28bcb811dfbabc9a",
    "cross_cats_sorted": [
      "math.AG",
      "math.CO",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-01-14T21:39:20Z",
    "title_canon_sha256": "a8a2ab579521ede15d8e31c6315bce67bc05951796fe2e4e47446680666dc7f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04576",
    "kind": "arxiv",
    "version": 1
  }
}