Pith Number

pith:RAL3DBR4

pith:2015:RAL3DBR4BLHP32ZA7YWBKU3Q2G

not attested not anchored not stored refs pending

Generalized quadrature for solving singular integral equations of Abel type in application to infrared tomography

Denis Sidorov, Valery Sizikov

arxiv:1509.02586 v1 · 2015-09-09 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAL3DBR4BLHP32ZA7YWBKU3Q2G}

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	2026-05-18T01:33:34.671853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8817b1863c0acefdeb20fe2c155370d1b68cfc331ac17a6d37d752f778cfb03f

Aliases

arxiv: 1509.02586 · arxiv_version: 1509.02586v1 · doi: 10.48550/arxiv.1509.02586 · pith_short_12: RAL3DBR4BLHP · pith_short_16: RAL3DBR4BLHP32ZA · pith_short_8: RAL3DBR4

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/RAL3DBR4BLHP32ZA7YWBKU3Q2G \
  | 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: 8817b1863c0acefdeb20fe2c155370d1b68cfc331ac17a6d37d752f778cfb03f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8950d35367d37400d41af7d229196869aae3e972338255eaca0d5c25fc2683ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-09T00:27:58Z",
    "title_canon_sha256": "26f92d2a00be33cdfc18be3df1d1122b7396c7fa07ef44c8c4d34e85a3fab83e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02586",
    "kind": "arxiv",
    "version": 1
  }
}