Pith Number

pith:CDS67UNJ

pith:2018:CDS67UNJE63OJLBLBHIFRBXH3E

not attested not anchored not stored refs pending

The case of Neumann, Robin and periodic lateral condition for the semi infinite generalized Graetz problem and applications

Fr\'ed\'eric de Gournay, J\'er\^ome Fehrenbach, L\'eo Martire, Valention Debarnot

arxiv:1803.00834 v1 · 2018-03-02 · 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{CDS67UNJE63OJLBLBHIFRBXH3E}

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	2026-05-18T00:22:07.717707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10e5efd1a927b6e4ac2b09d05886e7d920b584f3709cd57cd9177bdfce7494a4

Aliases

arxiv: 1803.00834 · arxiv_version: 1803.00834v1 · doi: 10.48550/arxiv.1803.00834 · pith_short_12: CDS67UNJE63O · pith_short_16: CDS67UNJE63OJLBL · pith_short_8: CDS67UNJ

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/CDS67UNJE63OJLBLBHIFRBXH3E \
  | 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: 10e5efd1a927b6e4ac2b09d05886e7d920b584f3709cd57cd9177bdfce7494a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "786277ddf04a5bce29c020921b673a66ffe499c044b4479b503c3612520697c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-02T13:08:25Z",
    "title_canon_sha256": "5990171ae6200fd187eb46084df8ed95f78d2aa65afffb3ce8d7e069f9ad57bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00834",
    "kind": "arxiv",
    "version": 1
  }
}