Pith Number

pith:5N2EZKFR

pith:2013:5N2EZKFR6GVWWYOA5BQ5FOBXNA

not attested not anchored not stored refs pending

Periodic solutions of semi-explicit differential-algebraic equations with time-dependent constraints

Alessandro Calamai, Luca Bisconti, Marco Spadini

arxiv:1311.5540 v1 · 2013-11-21 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5N2EZKFR6GVWWYOA5BQ5FOBXNA}

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	2026-05-18T03:06:33.120868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb744ca8b1f1ab6b61c0e861d2b8376807f8fb287a453e55c281ebf86b0fadf4

Aliases

arxiv: 1311.5540 · arxiv_version: 1311.5540v1 · doi: 10.48550/arxiv.1311.5540 · pith_short_12: 5N2EZKFR6GVW · pith_short_16: 5N2EZKFR6GVWWYOA · pith_short_8: 5N2EZKFR

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/5N2EZKFR6GVWWYOA5BQ5FOBXNA \
  | 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: eb744ca8b1f1ab6b61c0e861d2b8376807f8fb287a453e55c281ebf86b0fadf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3626a4de1b5b40384045b84bd753c9a1642bcc1e7254b456d0a0e8bcc1544085",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-11-21T20:28:17Z",
    "title_canon_sha256": "d0bddab161beb088d353bd4b74bfe9b500f48e291bc4e4c706c046f556e30706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5540",
    "kind": "arxiv",
    "version": 1
  }
}