Pith Number

pith:PXRJY433

pith:2013:PXRJY433CH5BD3K3M3ENEGGQKX

not attested not anchored not stored refs pending

Reversible Simulations of Elastic Collisions

Kalyan S. Perumalla, Vladimir A. Protopopescu

arxiv:1302.1126 v1 · 2013-02-05 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PXRJY433CH5BD3K3M3ENEGGQKX}

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	2026-05-18T03:21:10.257466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7de29c737b11fa11ed5b66c8d218d055fa19e88e685c200dddcb1ef7a6575da9

Aliases

arxiv: 1302.1126 · arxiv_version: 1302.1126v1 · doi: 10.48550/arxiv.1302.1126 · pith_short_12: PXRJY433CH5B · pith_short_16: PXRJY433CH5BD3K3 · pith_short_8: PXRJY433

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/PXRJY433CH5BD3K3M3ENEGGQKX \
  | 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: 7de29c737b11fa11ed5b66c8d218d055fa19e88e685c200dddcb1ef7a6575da9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d48f5d8c922a4cb413376918437d1dc9b6b0b950338b9ea2ba5e7c618f63a428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2013-02-05T17:31:00Z",
    "title_canon_sha256": "694f9238842fc5f9088f5106ed0e03a5e227cc0e84fd481e9fd0765172c053a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1126",
    "kind": "arxiv",
    "version": 1
  }
}