Pith Number

pith:2VHA7W63

pith:2013:2VHA7W63NVYUIBIRXIAWDNHSOA

not attested not anchored not stored refs pending

Development and results from a survey on students views of experiments in lab classes and research

Benjamin M. Zwickl, H. J. Lewandowski, Noah Finkelstein, Takako Hirokawa

arxiv:1307.5760 v1 · 2013-07-22 · 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{2VHA7W63NVYUIBIRXIAWDNHSOA}

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	2026-05-18T03:17:54.654195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d54e0fdbdb6d71440511ba0161b4f270173bcd0fba0b9283dbe72c69c89b10c4

Aliases

arxiv: 1307.5760 · arxiv_version: 1307.5760v1 · doi: 10.48550/arxiv.1307.5760 · pith_short_12: 2VHA7W63NVYU · pith_short_16: 2VHA7W63NVYUIBIR · pith_short_8: 2VHA7W63

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/2VHA7W63NVYUIBIRXIAWDNHSOA \
  | 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: d54e0fdbdb6d71440511ba0161b4f270173bcd0fba0b9283dbe72c69c89b10c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f396a922abc5d05211835b1f84c18f732c571a9c18408dcb94a281da1da2e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-07-22T16:19:18Z",
    "title_canon_sha256": "a9063065c74892c673d21aff904378058c6d7041d88aec5b495ad3b4ef4884e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5760",
    "kind": "arxiv",
    "version": 1
  }
}