Pith Number

pith:7YX5I6OX

pith:2016:7YX5I6OXWMA3KMU5JZZSLEASUS

not attested not anchored not stored refs pending

Using the case-study method in teaching college physics

Lior M. Burko

arxiv:1601.03340 v1 · 2016-01-13 · 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{7YX5I6OXWMA3KMU5JZZSLEASUS}

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	2026-05-18T01:04:21.651700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe2fd479d7b301b5329d4e73259012a4bcc22ce433707d0a1a2948f73051912a

Aliases

arxiv: 1601.03340 · arxiv_version: 1601.03340v1 · doi: 10.48550/arxiv.1601.03340 · pith_short_12: 7YX5I6OXWMA3 · pith_short_16: 7YX5I6OXWMA3KMU5 · pith_short_8: 7YX5I6OX

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/7YX5I6OXWMA3KMU5JZZSLEASUS \
  | 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: fe2fd479d7b301b5329d4e73259012a4bcc22ce433707d0a1a2948f73051912a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a88de9ba2bae14cd5b4b7bf85129a660d6770c4b88ba1c804762103e891f2cfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-01-13T18:22:06Z",
    "title_canon_sha256": "84514c30a6df2d1a6c885e6b8aadeeedacc350eb934be5e2d6b24099c2a2e7b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03340",
    "kind": "arxiv",
    "version": 1
  }
}