Pith Number

pith:XNLS73I4

pith:2018:XNLS73I4LAIIAQN2HWO33BNUWV

not attested not anchored not stored refs pending

Structure preserving approximation of dissipative evolution problems

Herbert Egger

arxiv:1804.08648 v1 · 2018-04-23 · 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{XNLS73I4LAIIAQN2HWO33BNUWV}

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	2026-05-18T00:17:47.156122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb572fed1c58108041ba3d9dbd85b4b571e275cce6762f339c49f873290173ca

Aliases

arxiv: 1804.08648 · arxiv_version: 1804.08648v1 · doi: 10.48550/arxiv.1804.08648 · pith_short_12: XNLS73I4LAII · pith_short_16: XNLS73I4LAIIAQN2 · pith_short_8: XNLS73I4

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/XNLS73I4LAIIAQN2HWO33BNUWV \
  | 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: bb572fed1c58108041ba3d9dbd85b4b571e275cce6762f339c49f873290173ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d3b9e49359fcbea0b630dc330de16fbb51334a5250f56bf1f5bf1c27b05883",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-23T18:18:36Z",
    "title_canon_sha256": "fde5c3af42c4b12148985128a4f2ae99e306061711248d5f9cdd081e6682e1c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08648",
    "kind": "arxiv",
    "version": 1
  }
}