Pith Number

pith:R5OCJCUP

pith:2013:R5OCJCUPN5DPLYL4P65IGAXUPL

not attested not anchored not stored refs pending

Schwarzschild-de Sitter Metric and Inertial Beltrami Coordinates

Li-Feng Sun, Mu-Lin Yan, Sen Hu, Wei Huang, Ya Deng

arxiv:1308.5222 v1 · 2013-08-23 · 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{R5OCJCUPN5DPLYL4P65IGAXUPL}

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	2026-05-18T03:15:07.397805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f5c248a8f6f46f5e17c7fba8302f47ad4c5e9db526115d0bc2f464e305a5e42

Aliases

arxiv: 1308.5222 · arxiv_version: 1308.5222v1 · doi: 10.48550/arxiv.1308.5222 · pith_short_12: R5OCJCUPN5DP · pith_short_16: R5OCJCUPN5DPLYL4 · pith_short_8: R5OCJCUP

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/R5OCJCUPN5DPLYL4P65IGAXUPL \
  | 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: 8f5c248a8f6f46f5e17c7fba8302f47ad4c5e9db526115d0bc2f464e305a5e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f4fe356284136580bbcb0240e4a6a4b204c964faefb455a64f6b17dd24a85df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-23T09:31:30Z",
    "title_canon_sha256": "16bef713d865a842aab7780c20b004661be7ab3d691864d0ab2a93a769408199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5222",
    "kind": "arxiv",
    "version": 1
  }
}