Pith Number

pith:LHCC6YVG

pith:2013:LHCC6YVG2CXEV7TQMX7BOGTWA6

not attested not anchored not stored refs pending

Additive Eigenvalue Problem (a survey), (With appendix by M. Kapovich)

Shrawan Kumar

arxiv:1305.4697 v1 · 2013-05-21 · 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{LHCC6YVG2CXEV7TQMX7BOGTWA6}

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	2026-05-18T03:25:15.442907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59c42f62a6d0ae4afe7065fe171a7607b34bfc75ed07e59781b388769475561d

Aliases

arxiv: 1305.4697 · arxiv_version: 1305.4697v1 · doi: 10.48550/arxiv.1305.4697 · pith_short_12: LHCC6YVG2CXE · pith_short_16: LHCC6YVG2CXEV7TQ · pith_short_8: LHCC6YVG

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/LHCC6YVG2CXEV7TQMX7BOGTWA6 \
  | 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: 59c42f62a6d0ae4afe7065fe171a7607b34bfc75ed07e59781b388769475561d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40a831768a677df5eadd38eb272eeadd323747600f0916cc56e8a9a7ec51b47a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-21T03:11:00Z",
    "title_canon_sha256": "2fa8de2cf026f764d8cb872808c277dcd5f1816607788a68658e02142a9190f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4697",
    "kind": "arxiv",
    "version": 1
  }
}