Pith Number

pith:4E5VNWXB

pith:2013:4E5VNWXBNAXU42C6MJOADV6GTM

not attested not anchored not stored refs pending

The deal.II Library, Version 8.1

Bruno Turcksin, Guido Kanschat, Luca Heltai, Martin Kronbichler, Matthias Maier, Timo Heister, Toby D. Young, Wolfgang Bangerth

arxiv:1312.2266 v4 · 2013-12-08 · math.NA · cs.MS · cs.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{4E5VNWXBNAXU42C6MJOADV6GTM}

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	2026-05-18T03:03:31.576112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13b56dae1682f4e685e625c01d7c69b0616f17253dcbc1efa449849908533b8

Aliases

arxiv: 1312.2266 · arxiv_version: 1312.2266v4 · doi: 10.48550/arxiv.1312.2266 · pith_short_12: 4E5VNWXBNAXU · pith_short_16: 4E5VNWXBNAXU42C6 · pith_short_8: 4E5VNWXB

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/4E5VNWXBNAXU42C6MJOADV6GTM \
  | 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: e13b56dae1682f4e685e625c01d7c69b0616f17253dcbc1efa449849908533b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "805eacf1ce34cef1dd5defe3d5378ca27f3e6731bcbd8295071b62244e8df13a",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-08T21:31:14Z",
    "title_canon_sha256": "67f27739da2ca15a0fd02af06fb755f9ee159514f7932b57e5609d8d3fd67a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2266",
    "kind": "arxiv",
    "version": 4
  }
}