Pith Number

pith:2PNJQW32

pith:2010:2PNJQW32SKXFLPV36USYIG2RX5

not attested not anchored not stored refs pending

The Design and Validation of the Quantum Mechanics Conceptual Survey

C. E. Wieman, K. K. Perkins, S. B. McKagan

arxiv:1007.2015 v2 · 2010-07-13 · 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{2PNJQW32SKXFLPV36USYIG2RX5}

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	2026-05-18T02:06:22.740066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3da985b7a92ae55bebbf525841b51bf5940a9d982395221569fe99b4ae114f8

Aliases

arxiv: 1007.2015 · arxiv_version: 1007.2015v2 · doi: 10.48550/arxiv.1007.2015 · pith_short_12: 2PNJQW32SKXF · pith_short_16: 2PNJQW32SKXFLPV3 · pith_short_8: 2PNJQW32

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/2PNJQW32SKXFLPV36USYIG2RX5 \
  | 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: d3da985b7a92ae55bebbf525841b51bf5940a9d982395221569fe99b4ae114f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f31300f5d149122536f78e8aacfcda9cdcad47a620e8d7cc37156a152db08ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2010-07-13T00:43:41Z",
    "title_canon_sha256": "1df27b8ebb8c46f01fdcf2a7af4aafed4df3838483bfc04c4a6555fb526ab93a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2015",
    "kind": "arxiv",
    "version": 2
  }
}