Pith Number

pith:TKTW7O3K

pith:2013:TKTW7O3KOYCC7ARMZOAXWFXL4I

not attested not anchored not stored refs pending

Correspondences between projective planes

June Huh

arxiv:1303.4113 v3 · 2013-03-17 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKTW7O3KOYCC7ARMZOAXWFXL4I}

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.

Cited by

1 paper in Pith

Realization of Cohomology Classes in Grassmannians

Receipt and verification

First computed	2026-05-18T02:50:43.165431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aa76fbb6a76042f822ccb817b16ebe223b7d06e20770872a61aba0569c1056e

Aliases

arxiv: 1303.4113 · arxiv_version: 1303.4113v3 · doi: 10.48550/arxiv.1303.4113 · pith_short_12: TKTW7O3KOYCC · pith_short_16: TKTW7O3KOYCC7ARM · pith_short_8: TKTW7O3K

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/TKTW7O3KOYCC7ARMZOAXWFXL4I \
  | 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: 9aa76fbb6a76042f822ccb817b16ebe223b7d06e20770872a61aba0569c1056e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b901332a1cc699768e0748a7adb3e21ef584dd4c32a571bbd797025078a4a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-17T22:10:25Z",
    "title_canon_sha256": "4c9a053ebce928ea91fd72e65cf17b2dd95fae31a6009faf6b620e0313c1b21a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4113",
    "kind": "arxiv",
    "version": 3
  }
}