Pith Number

pith:TO2XW33X

pith:2013:TO2XW33XVZRKFMMBN3D2GLATZA

not attested not anchored not stored refs pending

Recovery of time dependent volatility coefficient by linearization

Victor Isakov

arxiv:1307.4781 v1 · 2013-07-17 · 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{TO2XW33XVZRKFMMBN3D2GLATZA}

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	2026-05-18T03:18:08.684455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bb57b6f77ae62a2b1816ec7a32c13c80d420b33c299c44bfb6279e61581a06b

Aliases

arxiv: 1307.4781 · arxiv_version: 1307.4781v1 · doi: 10.48550/arxiv.1307.4781 · pith_short_12: TO2XW33XVZRK · pith_short_16: TO2XW33XVZRKFMMB · pith_short_8: TO2XW33X

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/TO2XW33XVZRKFMMBN3D2GLATZA \
  | 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: 9bb57b6f77ae62a2b1816ec7a32c13c80d420b33c299c44bfb6279e61581a06b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b838b1a7b3849deef2415c5e0c18267e208d9a4bdf2c1ce06cc6fad662dcb005",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-07-17T20:34:02Z",
    "title_canon_sha256": "d71d1aa5556aaf446801b71758a7f40fa47a5dd558d2912473f4fbb95a50c686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4781",
    "kind": "arxiv",
    "version": 1
  }
}