Pith Number

pith:5JVASI5K

pith:2012:5JVASI5KLIZOV74UG7N2V2T5G3

not attested not anchored not stored refs pending

Sixteen years of Collaborative Learning through Active Sense-making in Physics (CLASP) at UC Davis

Brenda Weiss, Cassandra Paul, Charles De Leone, David Webb, Emily West, Lawrence Coleman, Mark Bowen, Wendell Potter

arxiv:1205.6970 v2 · 2012-05-31 · 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{5JVASI5KLIZOV74UG7N2V2T5G3}

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	2026-05-18T03:25:06.028189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea6a0923aa5a32eaff9437dbaaea7d36c798cbd91ec32ee36c99d01eb0a9027d

Aliases

arxiv: 1205.6970 · arxiv_version: 1205.6970v2 · doi: 10.48550/arxiv.1205.6970 · pith_short_12: 5JVASI5KLIZO · pith_short_16: 5JVASI5KLIZOV74U · pith_short_8: 5JVASI5K

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/5JVASI5KLIZOV74UG7N2V2T5G3 \
  | 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: ea6a0923aa5a32eaff9437dbaaea7d36c798cbd91ec32ee36c99d01eb0a9027d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfb24144c55eb6e881dbe1cad9c4263c52a27fd9b8017371e8696ecfdb6d9474",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-05-31T12:28:01Z",
    "title_canon_sha256": "0e3229d69b4d680acf3eabae58d46648fc4f270c43306ccb4999a3112d39d08b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6970",
    "kind": "arxiv",
    "version": 2
  }
}