Pith Number

pith:O5HPFTKE

pith:2005:O5HPFTKESHVV35C3DPUOE5664Q

not attested not anchored not stored refs pending

The general solution for relativistic spherical shells

D. Malafarina, G. Magli, J. Kijowski

arxiv:gr-qc/0512089 v1 · 2005-12-15 · 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{O5HPFTKESHVV35C3DPUOE5664Q}

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	2026-05-18T01:39:20.199495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

774ef2cd4491eb5df45b1be8e277dee4134866fe8c8374347a28fd92550c32ac

Aliases

arxiv: gr-qc/0512089 · arxiv_version: gr-qc/0512089v1 · doi: 10.48550/arxiv.gr-qc/0512089 · pith_short_12: O5HPFTKESHVV · pith_short_16: O5HPFTKESHVV35C3 · pith_short_8: O5HPFTKE

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/O5HPFTKESHVV35C3DPUOE5664Q \
  | 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: 774ef2cd4491eb5df45b1be8e277dee4134866fe8c8374347a28fd92550c32ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80dc420a2b54954e6d61575a9ddb3ae7be04e0b06013477e7dc53498669f5cf3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-12-15T11:35:53Z",
    "title_canon_sha256": "8eb1022158d69e602a1c4513795c3169d7a5eb2c022a77a11dc64a1496a176b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0512089",
    "kind": "arxiv",
    "version": 1
  }
}