Pith Number

pith:FVN3NAV6

pith:2012:FVN3NAV6X2DNWCEWHUEHPNUHYP

not attested not anchored not stored refs pending

The Compass Project: Charting a New Course in Physics Education

Gloria Lee, Joel Corbo, Nathaniel Roth, Punit Gandhi

arxiv:1211.4893 v3 · 2012-11-20 · 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{FVN3NAV6X2DNWCEWHUEHPNUHYP}

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	2026-05-18T03:36:46.029496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d5bb682bebe86db08963d0877b687c3ed1eb069851658adcc421029c9fc837e

Aliases

arxiv: 1211.4893 · arxiv_version: 1211.4893v3 · doi: 10.48550/arxiv.1211.4893 · pith_short_12: FVN3NAV6X2DN · pith_short_16: FVN3NAV6X2DNWCEW · pith_short_8: FVN3NAV6

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/FVN3NAV6X2DNWCEWHUEHPNUHYP \
  | 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: 2d5bb682bebe86db08963d0877b687c3ed1eb069851658adcc421029c9fc837e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae0ec441e990e607888825793316a72ef61029452d1ee3e848b85d77c6b5e16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-11-20T22:31:44Z",
    "title_canon_sha256": "4520af207f162f51e6639c605914cd33024a9d71cd732eedcc4f06337033772d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4893",
    "kind": "arxiv",
    "version": 3
  }
}