Pith Number

pith:BJ4A2YYG

pith:2016:BJ4A2YYGVI4S3QPKBY6DAK2YIA

not attested not anchored not stored refs pending

On some variational algebraic problems

Du\v{s}an D. Repov\v{s}, Giovanni Molica Bisci

arxiv:1610.01796 v1 · 2016-10-06 · math.CA · 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{BJ4A2YYGVI4S3QPKBY6DAK2YIA}

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	2026-05-18T01:03:04.808617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a780d6306aa392dc1ea0e3c302b58400f7d21c1be0b741cced06a8c85e35f90

Aliases

arxiv: 1610.01796 · arxiv_version: 1610.01796v1 · doi: 10.48550/arxiv.1610.01796 · pith_short_12: BJ4A2YYGVI4S · pith_short_16: BJ4A2YYGVI4S3QPK · pith_short_8: BJ4A2YYG

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/BJ4A2YYGVI4S3QPKBY6DAK2YIA \
  | 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: 0a780d6306aa392dc1ea0e3c302b58400f7d21c1be0b741cced06a8c85e35f90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1a6c3d8f7dfbee8b2de10efb98bf9a48e4d4f464d564f8f322b45df1cab33d",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-10-06T09:48:28Z",
    "title_canon_sha256": "44775a4b692e98a00b7463fc924818e0f9511a929bba4bbc3a12cdbe5fbe2995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01796",
    "kind": "arxiv",
    "version": 1
  }
}