Pith Number

pith:DRM5RNVF

pith:2013:DRM5RNVF4BPDG74L5VGLUIVW5M

not attested not anchored not stored refs pending

On the linearization of isochronous centre of a modified Emden equation with linear external forcing

M I Sabiya Shakila, M Senthilvelan, R Mohanasubha

arxiv:1309.3082 v1 · 2013-09-12 · nlin.SI · math-ph · 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{DRM5RNVF4BPDG74L5VGLUIVW5M}

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	2026-05-18T03:13:32.918773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c59d8b6a5e05e337f8bed4cba22b6eb0c9730e1cdbcf12cf01ad12f78222bec

Aliases

arxiv: 1309.3082 · arxiv_version: 1309.3082v1 · doi: 10.48550/arxiv.1309.3082 · pith_short_12: DRM5RNVF4BPD · pith_short_16: DRM5RNVF4BPDG74L · pith_short_8: DRM5RNVF

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/DRM5RNVF4BPDG74L5VGLUIVW5M \
  | 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: 1c59d8b6a5e05e337f8bed4cba22b6eb0c9730e1cdbcf12cf01ad12f78222bec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03195ad9f51bbb11043c772511cdae4a1a2161ad5ea409043c7b0f6adaee7ec7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-09-12T09:54:45Z",
    "title_canon_sha256": "ff5d19388d96a9d44ba1c742522af718993c7e7b21822627e77def8dadc8b027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3082",
    "kind": "arxiv",
    "version": 1
  }
}