Pith Number

pith:7B7M4EOR

pith:2015:7B7M4EORMC6Z6WJRSAQVARTRNS

not attested not anchored not stored refs pending

Generating static perfect-fluid solutions of Einstein's equations

Hernando Quevedo, Saken Toktarbay

arxiv:1503.05300 v1 · 2015-03-18 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7B7M4EORMC6Z6WJRSAQVARTRNS}

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	2026-05-18T01:55:32.445767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f87ece11d160bd9f593190215046716c9ff3ddae43a5aecef6af041d61c0e0f9

Aliases

arxiv: 1503.05300 · arxiv_version: 1503.05300v1 · doi: 10.48550/arxiv.1503.05300 · pith_short_12: 7B7M4EORMC6Z · pith_short_16: 7B7M4EORMC6Z6WJR · pith_short_8: 7B7M4EOR

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/7B7M4EORMC6Z6WJRSAQVARTRNS \
  | 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: f87ece11d160bd9f593190215046716c9ff3ddae43a5aecef6af041d61c0e0f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9bcd8d63819d032f2188df281b10e909cf7cb5ed20f3916d4ee7c1cfdecc6ec",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-18T08:12:52Z",
    "title_canon_sha256": "13f1b4d7d9a20e31402f21dcbbf92864a5c1be3cc5a2908715aeda25feabc8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05300",
    "kind": "arxiv",
    "version": 1
  }
}