Pith Number

pith:TQDZDR6X

pith:2017:TQDZDR6X6YDQR3TANNKPTPNVQB

not attested not anchored not stored refs pending

A novel approach for using programming exercises in electromagnetism coursework

Chris D. Porter, Chris Orban, Kathy A. Harper, Nash K. Brecht, Richelle M. Teeling-Smith

arxiv:1707.00185 v1 · 2017-07-01 · 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{TQDZDR6X6YDQR3TANNKPTPNVQB}

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	2026-05-18T00:41:04.211469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c0791c7d7f60708ee606b54f9bdb5806783fe701dc81a354b7ea7b54e00b898

Aliases

arxiv: 1707.00185 · arxiv_version: 1707.00185v1 · doi: 10.48550/arxiv.1707.00185 · pith_short_12: TQDZDR6X6YDQ · pith_short_16: TQDZDR6X6YDQR3TA · pith_short_8: TQDZDR6X

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/TQDZDR6X6YDQR3TANNKPTPNVQB \
  | 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: 9c0791c7d7f60708ee606b54f9bdb5806783fe701dc81a354b7ea7b54e00b898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfdac8ea8ed4c4fd4255910e4c6ba2d33c306431d1d4372638f98baf36ef0179",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2017-07-01T18:21:41Z",
    "title_canon_sha256": "78c82dcb05ed403526d44cf60e35ff8d81f1a0eff6fdbb99b6e33a98225d64b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00185",
    "kind": "arxiv",
    "version": 1
  }
}