Pith Number

pith:5UVHZ7TD

pith:2015:5UVHZ7TDEU54XFJXNZRR7LNOQB

not attested not anchored not stored refs pending

Attending to lifelong learning skills through guided reflection in a physics class

Daniel L. Reinholz, Dimitri R. Dounas-Frazer

arxiv:1503.01788 v1 · 2015-03-05 · 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{5UVHZ7TDEU54XFJXNZRR7LNOQB}

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	2026-05-18T01:19:12.378955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed2a7cfe63253bcb95376e631fadae807771c93353d76031633017d5834af1a3

Aliases

arxiv: 1503.01788 · arxiv_version: 1503.01788v1 · doi: 10.48550/arxiv.1503.01788 · pith_short_12: 5UVHZ7TDEU54 · pith_short_16: 5UVHZ7TDEU54XFJX · pith_short_8: 5UVHZ7TD

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/5UVHZ7TDEU54XFJXNZRR7LNOQB \
  | 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: ed2a7cfe63253bcb95376e631fadae807771c93353d76031633017d5834af1a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69411d898564e217fc69d77d1e2c91db9a650d22c98e8aca0fcc67913f9dde75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-03-05T21:09:23Z",
    "title_canon_sha256": "5240a7efed42808a9b8c0da1f3ec263c0cb48e994ce33ee56a696c02a6d5930a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01788",
    "kind": "arxiv",
    "version": 1
  }
}