Pith Number

pith:QGFF37FC

pith:2016:QGFF37FCUGRYBEPGQR5JGE7WJF

not attested not anchored not stored refs pending

Higher Maslov Indices

Francisco Presas, Roger Casals, Viktor L. Ginzburg

arxiv:1602.00571 v1 · 2016-02-01 · 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{QGFF37FCUGRYBEPGQR5JGE7WJF}

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	2026-05-18T00:47:15.610545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

818a5dfca2a1a38091e6847a9313f6494fa9390e7b55e678c4844176acc34be7

Aliases

arxiv: 1602.00571 · arxiv_version: 1602.00571v1 · doi: 10.48550/arxiv.1602.00571 · pith_short_12: QGFF37FCUGRY · pith_short_16: QGFF37FCUGRYBEPG · pith_short_8: QGFF37FC

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/QGFF37FCUGRYBEPGQR5JGE7WJF \
  | 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: 818a5dfca2a1a38091e6847a9313f6494fa9390e7b55e678c4844176acc34be7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b27d0959ce23197e392b543cb686d663b3c8b4c896d595132cbed96b10fe52c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2016-02-01T15:52:09Z",
    "title_canon_sha256": "942f1a7176a0d87599cbe707515ebe985ee5f33fbc9ae3066d05523b2a23ff10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00571",
    "kind": "arxiv",
    "version": 1
  }
}