pith. sign in
Pith Number

pith:QQWLNDWD

pith:2019:QQWLNDWDQWCIF45RV7GJ2NQ53C
not attested not anchored not stored refs pending

Pedagogical Materials and Suggestions to Cure Misconceptions Connecting Special and General Relativity

R. A. Pepino, R. W. Mabile

arxiv:1907.02497 v1 · 2019-07-04 · physics.ed-ph · gr-qc · physics.pop-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QQWLNDWDQWCIF45RV7GJ2NQ53C}

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 2026-05-17T23:41:28.418774Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

842cb68ec3858482f3b1afcc9d361dd89482362b2f733035d18e48e811d37ce6

Aliases

arxiv: 1907.02497 · arxiv_version: 1907.02497v1 · doi: 10.48550/arxiv.1907.02497 · pith_short_12: QQWLNDWDQWCI · pith_short_16: QQWLNDWDQWCIF45R · pith_short_8: QQWLNDWD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QQWLNDWDQWCIF45RV7GJ2NQ53C \
  | 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: 842cb68ec3858482f3b1afcc9d361dd89482362b2f733035d18e48e811d37ce6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1acf2f4043587ed763dbaf2f0d32ce92a8ad6af69ad5d7988568ba2c31cefeef",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-07-04T17:17:06Z",
    "title_canon_sha256": "e5de93b6ae42790b732b679c408260380bc01264795674aac9a84769c4919c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02497",
    "kind": "arxiv",
    "version": 1
  }
}