Pith Number

pith:YSU4CZ7P

pith:2013:YSU4CZ7PN25A5LSLO6Y5IRS6QV

not attested not anchored not stored refs pending

Three little pieces for computer and relativity

Luciano Rezzolla

arxiv:1303.6464 v1 · 2013-03-26 · gr-qc · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSU4CZ7PN25A5LSLO6Y5IRS6QV}

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	2026-05-18T01:50:52.647216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4a9c167ef6eba0eae4b77b1d4465e85572eff405ef81931cae2a24a6959c49a

Aliases

arxiv: 1303.6464 · arxiv_version: 1303.6464v1 · doi: 10.48550/arxiv.1303.6464 · pith_short_12: YSU4CZ7PN25A · pith_short_16: YSU4CZ7PN25A5LSL · pith_short_8: YSU4CZ7P

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/YSU4CZ7PN25A5LSLO6Y5IRS6QV \
  | 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: c4a9c167ef6eba0eae4b77b1d4465e85572eff405ef81931cae2a24a6959c49a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6705f81b345d5535cd01bf2581140279ea357d651e9ed687d64970ca520735c1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-26T12:56:10Z",
    "title_canon_sha256": "7aa24c74e361da47ec5909af071baa6fab13db859af048c4403a3aab70f559a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6464",
    "kind": "arxiv",
    "version": 1
  }
}