Pith Number

pith:3IDSTNMI

pith:2016:3IDSTNMIWMQK7VXJMB7BJZDRLN

not attested not anchored not stored refs pending

Alternative model for the administration and analysis of research-based assessments

Benjamin M. Zwickl, Bethany R. Wilcox, H.J. Lewandowski, John M. Aiken, Nathan M. Welch, Robert D. Hobbs

arxiv:1601.07896 v3 · 2016-01-28 · 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{3IDSTNMIWMQK7VXJMB7BJZDRLN}

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	2026-05-18T01:11:49.771730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da0729b588b320afd6e9607e14e4715b68033121088a7a1d12008f61047f5c32

Aliases

arxiv: 1601.07896 · arxiv_version: 1601.07896v3 · doi: 10.48550/arxiv.1601.07896 · pith_short_12: 3IDSTNMIWMQK · pith_short_16: 3IDSTNMIWMQK7VXJ · pith_short_8: 3IDSTNMI

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/3IDSTNMIWMQK7VXJMB7BJZDRLN \
  | 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: da0729b588b320afd6e9607e14e4715b68033121088a7a1d12008f61047f5c32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1699d40f771f451fd5ec43eced2eaaf40636af2b514038fede08b11c9a68d09f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-01-28T20:50:31Z",
    "title_canon_sha256": "363ef3effcc9a375db047b647f1ca309354b3c15a861b553d38f76f6ec95e56e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07896",
    "kind": "arxiv",
    "version": 3
  }
}