Pith Number

pith:7ZHKEWYC

pith:2013:7ZHKEWYCJC55HDXN745HR7BIZQ

not attested not anchored not stored refs pending

On the period function of Newtonian systems

A. Raouf Chouikha, Mohsen Timoumi

arxiv:1302.6400 v1 · 2013-02-26 · math.CA · math-ph · math.DS · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZHKEWYCJC55HDXN745HR7BIZQ}

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	2026-05-18T03:32:29.354647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe4ea25b0248bbd38eedff3a78fc28cc10154f190f9b7e5ee9a72d574c1ad419

Aliases

arxiv: 1302.6400 · arxiv_version: 1302.6400v1 · doi: 10.48550/arxiv.1302.6400 · pith_short_12: 7ZHKEWYCJC55 · pith_short_16: 7ZHKEWYCJC55HDXN · pith_short_8: 7ZHKEWYC

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/7ZHKEWYCJC55HDXN745HR7BIZQ \
  | 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: fe4ea25b0248bbd38eedff3a78fc28cc10154f190f9b7e5ee9a72d574c1ad419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c29dc2d3a584eba03d6d518d67dc28e5411b6a25552d9e00e1aaae3df090c9a",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-02-26T11:29:06Z",
    "title_canon_sha256": "1bc0789ca7fcc93117cd8a2c0e88e279efee94786f7b2e8201f408ec1543749b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6400",
    "kind": "arxiv",
    "version": 1
  }
}