Pith Number

pith:USI2QRZU

pith:2015:USI2QRZUIG6IR5GRUW5J5EYVIJ

not attested not anchored not stored refs pending

Intersection Cohomology of the Universal Imploded Cross-Section of SU(3)

Lisa Jeffrey, Nan-Kuo Ho

arxiv:1502.05759 v1 · 2015-02-20 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USI2QRZUIG6IR5GRUW5J5EYVIJ}

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	2026-05-18T02:26:44.860692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a491a8473441bc88f4d1a5ba9e9315424bffd7931c6b97dc74ccf902d04c081b

Aliases

arxiv: 1502.05759 · arxiv_version: 1502.05759v1 · doi: 10.48550/arxiv.1502.05759 · pith_short_12: USI2QRZUIG6I · pith_short_16: USI2QRZUIG6IR5GR · pith_short_8: USI2QRZU

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/USI2QRZUIG6IR5GRUW5J5EYVIJ \
  | 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: a491a8473441bc88f4d1a5ba9e9315424bffd7931c6b97dc74ccf902d04c081b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55f2f8d31a2b77152fa1e43873f72885b3c5d5e940fef986f96ad37121954259",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2015-02-20T01:19:15Z",
    "title_canon_sha256": "8bfe3f55ebaf210824e753d9b7bbf266e31374171e71b3fd09a892824e3578c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05759",
    "kind": "arxiv",
    "version": 1
  }
}