Pith Number

pith:7ZUO4QAV

pith:2015:7ZUO4QAVH6BKWEH2AVIRX52XZH

not attested not anchored not stored refs pending

Fast integrators for dynamical systems with several temporal scales

Bjorn Engquist, Yoonsang Lee

arxiv:1510.05728 v1 · 2015-10-20 · 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{7ZUO4QAVH6BKWEH2AVIRX52XZH}

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	2026-05-18T01:29:39.852656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe68ee40153f82ab10fa05511bf757c9d0d758efa1cdd3d1db025e6a2318997c

Aliases

arxiv: 1510.05728 · arxiv_version: 1510.05728v1 · doi: 10.48550/arxiv.1510.05728 · pith_short_12: 7ZUO4QAVH6BK · pith_short_16: 7ZUO4QAVH6BKWEH2 · pith_short_8: 7ZUO4QAV

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/7ZUO4QAVH6BKWEH2AVIRX52XZH \
  | 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: fe68ee40153f82ab10fa05511bf757c9d0d758efa1cdd3d1db025e6a2318997c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "917cf629c4ce4fdbc906c4649092538c5a11b8df58bb20c76bef4e540f85b8d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-20T01:13:50Z",
    "title_canon_sha256": "e15b4ccd0085841fbcee5bf3b67201c043dbe096c2757476294f3a7af6ce385d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05728",
    "kind": "arxiv",
    "version": 1
  }
}