Pith Number

pith:DNXCFPHW

pith:2011:DNXCFPHWCTEFYNDMER2NBMVVXJ

not attested not anchored not stored refs pending

Examining student ability to interpret and use potential energy diagrams for classical systems

Brian M. Stephanik, Peter S. Shaffer

arxiv:1109.2074 v1 · 2011-09-09 · 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{DNXCFPHWCTEFYNDMER2NBMVVXJ}

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	2026-05-18T02:00:37.045753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b6e22bcf614c85c346c2474d0b2b5ba649bbd72857e5e8bef902ef4afb0aeaa

Aliases

arxiv: 1109.2074 · arxiv_version: 1109.2074v1 · doi: 10.48550/arxiv.1109.2074 · pith_short_12: DNXCFPHWCTEF · pith_short_16: DNXCFPHWCTEFYNDM · pith_short_8: DNXCFPHW

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/DNXCFPHWCTEFYNDMER2NBMVVXJ \
  | 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: 1b6e22bcf614c85c346c2474d0b2b5ba649bbd72857e5e8bef902ef4afb0aeaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "610bf3d98473328ae1643e766bb4b9aac3416456c6e2a41db04e11d7a74d0c64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2011-09-09T17:33:02Z",
    "title_canon_sha256": "e6ce182e5aa36a4bbedcb6c68777297a9dab0346b8cc1c5f8c032f3a03935a07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2074",
    "kind": "arxiv",
    "version": 1
  }
}