Pith Number

pith:DB2ZTIVO

pith:2017:DB2ZTIVOZXBN2FJHMC2JCHLPGN

not attested not anchored not stored refs pending

The convergence of operational Tau method for solving a class of nonlinear Fredholm fractional integro-differential equations on Legendre basis

A. Yousefi, E. Babolian, S. Javadi

arxiv:1711.09228 v3 · 2017-11-25 · 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{DB2ZTIVOZXBN2FJHMC2JCHLPGN}

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	2026-05-18T00:28:10.127367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187599a2aecdc2dd152760b4911d6f3368f3f818dfe7b3928c6af4c09ab6bc04

Aliases

arxiv: 1711.09228 · arxiv_version: 1711.09228v3 · doi: 10.48550/arxiv.1711.09228 · pith_short_12: DB2ZTIVOZXBN · pith_short_16: DB2ZTIVOZXBN2FJH · pith_short_8: DB2ZTIVO

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/DB2ZTIVOZXBN2FJHMC2JCHLPGN \
  | 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: 187599a2aecdc2dd152760b4911d6f3368f3f818dfe7b3928c6af4c09ab6bc04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ff8c8bf8508879fb1fc546d05625ade203b5f25cebb96380bf6ff25289d5f5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-25T11:07:21Z",
    "title_canon_sha256": "28ea74db27aaf3615d53eabe39972fd0369f84d9430043e42464ce0f7742e640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09228",
    "kind": "arxiv",
    "version": 3
  }
}