Pith Number

pith:SCU2ONNA

pith:2019:SCU2ONNAJLLHH54RIZVBCXXZH7

not attested not anchored not stored refs pending

Spectral numbers and manifolds with boundary

Darko Milinkovi\'c, Jelena Kati\'c, Jovana Nikoli\'c

arxiv:1901.07995 v1 · 2019-01-23 · 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{SCU2ONNAJLLHH54RIZVBCXXZH7}

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	2026-05-17T23:55:39.353285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a9a735a04ad673f791466a115ef93fc1a2df0c85831940bd799f4946c530f7

Aliases

arxiv: 1901.07995 · arxiv_version: 1901.07995v1 · doi: 10.48550/arxiv.1901.07995 · pith_short_12: SCU2ONNAJLLH · pith_short_16: SCU2ONNAJLLHH54R · pith_short_8: SCU2ONNA

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/SCU2ONNAJLLHH54RIZVBCXXZH7 \
  | 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: 90a9a735a04ad673f791466a115ef93fc1a2df0c85831940bd799f4946c530f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3b1d2de2ae9e3d7784a0eda9b023772e41f496757247f9e932457ba422e1cb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2019-01-23T16:49:27Z",
    "title_canon_sha256": "6c6ea52c616d78b83dd766a1c23f1f21a99f0f1190d93cedf1b8fd262371fccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07995",
    "kind": "arxiv",
    "version": 1
  }
}