Pith Number

pith:REGCOEWQ

pith:2016:REGCOEWQLBRZ7RCZ2RNC34FOO3

not attested not anchored not stored refs pending

The group administered interactive questionnaire: An alternative to individual interviews

Chandralekha Singh, Charles R. Henderson, Edit Yerushalmi, Shih-Yin Lin, William Mamudi

arxiv:1602.06391 v1 · 2016-02-20 · 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{REGCOEWQLBRZ7RCZ2RNC34FOO3}

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	2026-05-18T01:20:14.168698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

890c2712d058639fc459d45a2df0ae76cd22054a6cf169ede66345ae32e0249c

Aliases

arxiv: 1602.06391 · arxiv_version: 1602.06391v1 · doi: 10.48550/arxiv.1602.06391 · pith_short_12: REGCOEWQLBRZ · pith_short_16: REGCOEWQLBRZ7RCZ · pith_short_8: REGCOEWQ

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/REGCOEWQLBRZ7RCZ2RNC34FOO3 \
  | 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: 890c2712d058639fc459d45a2df0ae76cd22054a6cf169ede66345ae32e0249c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ed96ba1bf31d529fd44f3dfd92215fda008f303ad1c5265ad5ce9fe80d5359",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-02-20T10:16:19Z",
    "title_canon_sha256": "dae8946fad4bd200a68b3b5777c2a9d68f3e31ef87897ec3ebf6d8a7f60a9436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06391",
    "kind": "arxiv",
    "version": 1
  }
}