Pith Number

pith:6WT7MTYI

pith:2016:6WT7MTYIFDCOBDH2LZOMRIP2K5

not attested not anchored not stored refs pending

Using Analogy to Solve a Three-Step Physics Problem

Chandralekha Singh, Shih-Yin Lin

arxiv:1602.06389 v1 · 2016-02-20 · 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{6WT7MTYIFDCOBDH2LZOMRIP2K5}

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	2026-05-18T01:20:14.185243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5a7f64f0828c4e08cfa5e5cc8a1fa57547530fde56a6fdd8857e05f1c7f6f41

Aliases

arxiv: 1602.06389 · arxiv_version: 1602.06389v1 · doi: 10.48550/arxiv.1602.06389 · pith_short_12: 6WT7MTYIFDCO · pith_short_16: 6WT7MTYIFDCOBDH2 · pith_short_8: 6WT7MTYI

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/6WT7MTYIFDCOBDH2LZOMRIP2K5 \
  | 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: f5a7f64f0828c4e08cfa5e5cc8a1fa57547530fde56a6fdd8857e05f1c7f6f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0596ff6b1f71074a010779e325751627e19c8cba1bc04c6e28e5e97c525b87b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-02-20T09:49:00Z",
    "title_canon_sha256": "4e4f8d500cc6221d92b989c446b8ffb92bf0f58aa3536b361a923e3f6af63ac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06389",
    "kind": "arxiv",
    "version": 1
  }
}