Pith Number

pith:CBRPDCQO

pith:2018:CBRPDCQOMQE2ZWEPXSABOHJIKZ

not attested not anchored not stored refs pending

Solving linear equations with messenger-field and conjugate gradients techniques - an application to CMB data analysis

J. Papez, L. Grigori, R. Stompor

arxiv:1803.03462 v2 · 2018-03-09 · astro-ph.CO · 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{CBRPDCQOMQE2ZWEPXSABOHJIKZ}

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	2026-05-18T00:02:45.122598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1062f18a0e6409acd88fbc80171d285660914da3e41e3a90fa5f33ff4ac49d1c

Aliases

arxiv: 1803.03462 · arxiv_version: 1803.03462v2 · doi: 10.48550/arxiv.1803.03462 · pith_short_12: CBRPDCQOMQE2 · pith_short_16: CBRPDCQOMQE2ZWEP · pith_short_8: CBRPDCQO

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/CBRPDCQOMQE2ZWEPXSABOHJIKZ \
  | 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: 1062f18a0e6409acd88fbc80171d285660914da3e41e3a90fa5f33ff4ac49d1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d348cd5ba86f9502c5ca649f3799f3cbd7c3478f082dad7fa16013500441e6",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-09T10:50:45Z",
    "title_canon_sha256": "861514554e3095f0495544d28fd375dcea9be424dd2a41afc869df2feef023d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03462",
    "kind": "arxiv",
    "version": 2
  }
}