Pith Number

pith:7FNGNFEZ

pith:2017:7FNGNFEZXPKVFIZJZNQLYNOW54

not attested not anchored not stored refs pending

Vanishing Bergman kernels on the disk

Antti Per\"al\"a

arxiv:1703.05976 v1 · 2017-03-17 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FNGNFEZXPKVFIZJZNQLYNOW54}

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	2026-05-18T00:48:29.808589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95a669499bbd552a329cb60bc35d6ef0586c3f49ce1fa3b164fdfc8ee0e708e

Aliases

arxiv: 1703.05976 · arxiv_version: 1703.05976v1 · doi: 10.48550/arxiv.1703.05976 · pith_short_12: 7FNGNFEZXPKV · pith_short_16: 7FNGNFEZXPKVFIZJ · pith_short_8: 7FNGNFEZ

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/7FNGNFEZXPKVFIZJZNQLYNOW54 \
  | 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: f95a669499bbd552a329cb60bc35d6ef0586c3f49ce1fa3b164fdfc8ee0e708e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19819f39adc8c7f688c4d5746b4384952429c0177a28cde3fcb69b155629659e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-03-17T11:50:16Z",
    "title_canon_sha256": "c3e1f386e72510325a1695ae48578a2104683a32e45f09781de3ad9935e71dd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05976",
    "kind": "arxiv",
    "version": 1
  }
}