Pith Number

pith:COKIEXCN

pith:2013:COKIEXCNBZRNUEDC6KHBCYZ3M2

not attested not anchored not stored refs pending

A Model for Incorporating Computation Without Changing the Course: An example from middle-division classical mechanics

Marcos D. Caballero, Steven J. Pollock

arxiv:1303.4355 v3 · 2013-03-18 · physics.ed-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{COKIEXCNBZRNUEDC6KHBCYZ3M2}

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	2026-05-18T01:51:01.113173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1394825c4d0e62da1062f28e11633b66858e2dba333b216f8e7aef424ee2d31f

Aliases

arxiv: 1303.4355 · arxiv_version: 1303.4355v3 · doi: 10.48550/arxiv.1303.4355 · pith_short_12: COKIEXCNBZRN · pith_short_16: COKIEXCNBZRNUEDC · pith_short_8: COKIEXCN

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/COKIEXCNBZRNUEDC6KHBCYZ3M2 \
  | 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: 1394825c4d0e62da1062f28e11633b66858e2dba333b216f8e7aef424ee2d31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0fabc2df3c02180d503ee03d2d2768772d02283dda805f5b179eb91937385c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-03-18T18:44:38Z",
    "title_canon_sha256": "6445602afbfb7743c02feffe8cc8becb0625e17590b3cfb4e0771ed4192dd36d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4355",
    "kind": "arxiv",
    "version": 3
  }
}