Pith Number

pith:MQI4BWYG

pith:2016:MQI4BWYG22MSGEPG32MSDFPQIA

not attested not anchored not stored refs pending

Models of spherical shells as sources of Majumdar-Papapetrou type spacetimes

Gonzalo Garc\'ia-Reyes

arxiv:1608.01918 v4 · 2016-08-05 · 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{MQI4BWYG22MSGEPG32MSDFPQIA}

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	2026-05-18T00:51:01.205137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6411c0db06d6992311e6de992195f0403ff75ab13a9e59f8f72d0d3a1bec980a

Aliases

arxiv: 1608.01918 · arxiv_version: 1608.01918v4 · doi: 10.48550/arxiv.1608.01918 · pith_short_12: MQI4BWYG22MS · pith_short_16: MQI4BWYG22MSGEPG · pith_short_8: MQI4BWYG

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/MQI4BWYG22MSGEPG32MSDFPQIA \
  | 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: 6411c0db06d6992311e6de992195f0403ff75ab13a9e59f8f72d0d3a1bec980a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4f4375505d53c68ceae49b718a8af4020a9ea4c3bad4689025dd8415f4e00e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-08-05T15:36:52Z",
    "title_canon_sha256": "02997d0a93e444aeafa88f914464b3b9d0b6cfca0809372cdf336e1ef9177a69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01918",
    "kind": "arxiv",
    "version": 4
  }
}