Pith Number

pith:2MCM5LWP

pith:2021:2MCM5LWPZIVYUI3SUXHEGRMN4U

not attested not anchored not stored refs pending

Hawking-Ellis type of matter on Killing horizons in symmetric spacetimes

Hideki Maeda

arxiv:2107.01455 v3 · 2021-07-03 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MCM5LWPZIVYUI3SUXHEGRMN4U}

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.

Cited by

3 papers in Pith

Families of regular spacetimes and energy conditions

Energy conditions in static, spherically symmetric spacetimes and effective geometries

Receipt and verification

First computed	2026-07-05T03:27:33.412871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d304ceaecfca2b8a2372a5ce43458de50659df8a9a90ef20d9dbf358de39d1ae

Aliases

arxiv: 2107.01455 · arxiv_version: 2107.01455v3 · doi: 10.48550/arxiv.2107.01455 · pith_short_12: 2MCM5LWPZIVY · pith_short_16: 2MCM5LWPZIVYUI3S · pith_short_8: 2MCM5LWP

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/2MCM5LWPZIVYUI3SUXHEGRMN4U \
  | 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: d304ceaecfca2b8a2372a5ce43458de50659df8a9a90ef20d9dbf358de39d1ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db613b2ed585d851a40ed122c701a581ee4545ace56cecd84b0c297fd883719c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-07-03T15:52:20Z",
    "title_canon_sha256": "a1649d3fa69987618f56d07bda8db70faa4c7b6bd9bd9d111f7a62f6ea3c8354"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.01455",
    "kind": "arxiv",
    "version": 3
  }
}