Pith Number

pith:HXW7NIHA

pith:2000:HXW7NIHA6J3FQC5OKL5JYXR7N4

not attested not anchored not stored refs pending

Time evolution in the presence of gravity

Alfredo Tiemblo, Antonio Pulido, Romualdo Tresguerres

arxiv:gr-qc/0009029 v1 · 2000-09-11 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXW7NIHA6J3FQC5OKL5JYXR7N4}

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	2026-05-18T04:17:53.226719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dedf6a0e0f276580bae52fa9c5e3f6f027813b61aa3b0f249ea0adccb4fd772

Aliases

arxiv: gr-qc/0009029 · arxiv_version: gr-qc/0009029v1 · doi: 10.48550/arxiv.gr-qc/0009029 · pith_short_12: HXW7NIHA6J3F · pith_short_16: HXW7NIHA6J3FQC5O · pith_short_8: HXW7NIHA

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/HXW7NIHA6J3FQC5OKL5JYXR7N4 \
  | 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: 3dedf6a0e0f276580bae52fa9c5e3f6f027813b61aa3b0f249ea0adccb4fd772

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4831c432f54721f4300e48133983b5595205da15c8083ef91187882fabab0625",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-09-11T10:45:46Z",
    "title_canon_sha256": "ed927285b54d4d0f76d9590de87335eac6db6985b78cab5cc6a2efaeeeab6801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0009029",
    "kind": "arxiv",
    "version": 1
  }
}