Pith Number

pith:MOUMR6AJ

pith:2017:MOUMR6AJTTMITE6WNJRUXKT5SF

not attested not anchored not stored refs pending

A symplectic perspective on constrained eigenvalue problems

Graham Cox, Jeremy L. Marzuola

arxiv:1709.06906 v1 · 2017-09-20 · math.SP · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MOUMR6AJTTMITE6WNJRUXKT5SF}

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	2026-05-18T00:34:40.118543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63a8c8f8099cd88993d66a634baa7d91748ebfa82f36fc613deb34f67f7390de

Aliases

arxiv: 1709.06906 · arxiv_version: 1709.06906v1 · doi: 10.48550/arxiv.1709.06906 · pith_short_12: MOUMR6AJTTMI · pith_short_16: MOUMR6AJTTMITE6W · pith_short_8: MOUMR6AJ

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/MOUMR6AJTTMITE6WNJRUXKT5SF \
  | 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: 63a8c8f8099cd88993d66a634baa7d91748ebfa82f36fc613deb34f67f7390de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73db1dfd81ade3b0b727b266dd88bd69cdfd08ee7bad4bac88ef4457000486c5",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2017-09-20T14:40:46Z",
    "title_canon_sha256": "720c3a25d22ea21b3ad5daaf38faf205bdfc90bd4b6e652464f5687aa185fe43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06906",
    "kind": "arxiv",
    "version": 1
  }
}