pith. sign in
Pith Number

pith:4XLKJESY

pith:2013:4XLKJESY5MF72CPR3AMUQOXNSX
not attested not anchored not stored refs pending

Infinities as a measure of our ignorance

Francesca Vidotto

arxiv:1305.2358 v1 · 2013-05-10 · physics.hist-ph · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4XLKJESY5MF72CPR3AMUQOXNSX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T03:26:00.223526Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e5d6a49258eb0bfd09f1d819483aed95c6724e86f394d37eb4a69a2e3d83ad92

Aliases

arxiv: 1305.2358 · arxiv_version: 1305.2358v1 · doi: 10.48550/arxiv.1305.2358 · pith_short_12: 4XLKJESY5MF7 · pith_short_16: 4XLKJESY5MF72CPR · pith_short_8: 4XLKJESY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4XLKJESY5MF72CPR3AMUQOXNSX \
  | 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: e5d6a49258eb0bfd09f1d819483aed95c6724e86f394d37eb4a69a2e3d83ad92
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c3c06b1ab7dd7826b451368e13a2d528e2a678aebdd9d67931e8a34adbd1ebf1",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-05-10T14:53:33Z",
    "title_canon_sha256": "d6fa005cdf23a71accb75fa8d5f28dff08658e5350a4b808252d46eee03f82ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2358",
    "kind": "arxiv",
    "version": 1
  }
}