Pith Number

pith:LBAEP3SZ

pith:2001:LBAEP3SZPUCNVIRBLCNAWF77WR

not attested not anchored not stored refs pending

Verifying the learning process in Physics

A. Tartaglia, E. Tresso

arxiv:physics/0104006 v1 · 2001-04-02 · 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{LBAEP3SZPUCNVIRBLCNAWF77WR}

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	2026-07-04T16:28:46.196979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

584047ee597d04daa221589a0b17ffb44c0fabe22fc4a44a531438f907e7b57f

Aliases

arxiv: physics/0104006 · arxiv_version: physics/0104006v1 · doi: 10.48550/arxiv.physics/0104006 · pith_short_12: LBAEP3SZPUCN · pith_short_16: LBAEP3SZPUCNVIRB · pith_short_8: LBAEP3SZ

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/LBAEP3SZPUCNVIRBLCNAWF77WR \
  | 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: 584047ee597d04daa221589a0b17ffb44c0fabe22fc4a44a531438f907e7b57f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10a4eab1dca1c04ff4e973c544cd930cae5efdcdae41aef3b49a8dba50cd9094",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2001-04-02T13:41:22Z",
    "title_canon_sha256": "aa6994501c22ca4bbf4950651b0e5ab2c8e556289d297f4d93105d53b9be1fb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0104006",
    "kind": "arxiv",
    "version": 1
  }
}