Pith Number

pith:YCTSY7DD

pith:2022:YCTSY7DDO4VEXK2VNOPOEQEY24

not attested not anchored not stored refs pending

Introducing General Relativity in high school: a guide for teachers

Adriana Postiglione, Ilaria De Angelis

arxiv:2202.12868 v2 · 2022-02-25 · 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{YCTSY7DDO4VEXK2VNOPOEQEY24}

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	2026-07-05T05:29:17.893140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a72c7c63772a4bab556b9ee24098d701de96ddbdecbae2b80da4c3f1b34caf

Aliases

arxiv: 2202.12868 · arxiv_version: 2202.12868v2 · doi: 10.48550/arxiv.2202.12868 · pith_short_12: YCTSY7DDO4VE · pith_short_16: YCTSY7DDO4VEXK2V · pith_short_8: YCTSY7DD

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/YCTSY7DDO4VEXK2VNOPOEQEY24 \
  | 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: c0a72c7c63772a4bab556b9ee24098d701de96ddbdecbae2b80da4c3f1b34caf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31bd03ff6dd88f4f0e8e2b4c8926a8102fe736ad82101e279c8eb430dc073449",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2022-02-25T18:21:58Z",
    "title_canon_sha256": "619ec0cc2f01e79173d7e2bbac34a123dd3bf307b58cac657891691daabd9541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12868",
    "kind": "arxiv",
    "version": 2
  }
}