Pith Number

pith:7MTYX4ZU

pith:2017:7MTYX4ZUCQRUX7XUPVUPINTMIE

not attested not anchored not stored refs pending

Extremal rays in the Hermitian eigenvalue problem

Prakash Belkale

arxiv:1705.10580 v3 · 2017-05-30 · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MTYX4ZUCQRUX7XUPVUPINTMIE}

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	2026-05-18T00:30:28.240100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb278bf33414234bfef47d68f4366c4128d53daa9b2d4f97ce5931f619a1d7fa

Aliases

arxiv: 1705.10580 · arxiv_version: 1705.10580v3 · doi: 10.48550/arxiv.1705.10580 · pith_short_12: 7MTYX4ZUCQRU · pith_short_16: 7MTYX4ZUCQRUX7XU · pith_short_8: 7MTYX4ZU

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/7MTYX4ZUCQRUX7XUPVUPINTMIE \
  | 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: fb278bf33414234bfef47d68f4366c4128d53daa9b2d4f97ce5931f619a1d7fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f8275ef5296cfb1203332b70c20005ab91806a4a46a409f55d84001c7b14737",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-05-30T12:31:34Z",
    "title_canon_sha256": "e408c61fb42a9ecf672e34c71ae05b222ae77c6e43e4122f86dc345c445cffec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10580",
    "kind": "arxiv",
    "version": 3
  }
}