Pith Number

pith:P377YFKJ

pith:2018:P377YFKJQWP4JJ365462PWYZ2E

not attested not anchored not stored refs pending

Positive periodic solutions to an indefinite Minkowski-curvature equation

Alberto Boscaggin, Guglielmo Feltrin

arxiv:1805.06659 v1 · 2018-05-17 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P377YFKJQWP4JJ365462PWYZ2E}

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	2026-05-18T00:15:43.744393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7efffc1549859fc4a77eef3da7db19d13c1ed359b29a1f0dc1abaea3add97746

Aliases

arxiv: 1805.06659 · arxiv_version: 1805.06659v1 · doi: 10.48550/arxiv.1805.06659 · pith_short_12: P377YFKJQWP4 · pith_short_16: P377YFKJQWP4JJ36 · pith_short_8: P377YFKJ

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/P377YFKJQWP4JJ365462PWYZ2E \
  | 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: 7efffc1549859fc4a77eef3da7db19d13c1ed359b29a1f0dc1abaea3add97746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4338620b801cf7ff9b98b139bf76d09cc61b3d5474729caf64d278dd7ffce699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-05-17T09:00:02Z",
    "title_canon_sha256": "00616899cce200b77bc0d81674c2512898b6c6bec247331cab44990e015a49f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06659",
    "kind": "arxiv",
    "version": 1
  }
}