Pith Number

pith:IJJLOVPJ

pith:2021:IJJLOVPJSBVPQJIES4TXBFIVSE

not attested not anchored not stored refs pending

Black holes as frozen stars

A.J.M. Medved, Ram Brustein, Tamar Simhon

arxiv:2109.10017 v1 · 2021-09-21 · 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{IJJLOVPJSBVPQJIES4TXBFIVSE}

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

As Cold as a Black Hole: Extended Photon Spheres

On Black Holes Surrounded by Radiation II: Thermodynamics

On Black Holes Surrounded by Radiation: I. Classical Considerations

Receipt and verification

First computed	2026-07-05T03:49:19.279769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4252b755e9906af825049727709515912791f95c2a2641a7ebec3d48d3b43dbe

Aliases

arxiv: 2109.10017 · arxiv_version: 2109.10017v1 · doi: 10.48550/arxiv.2109.10017 · pith_short_12: IJJLOVPJSBVP · pith_short_16: IJJLOVPJSBVPQJIE · pith_short_8: IJJLOVPJ

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/IJJLOVPJSBVPQJIES4TXBFIVSE \
  | 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: 4252b755e9906af825049727709515912791f95c2a2641a7ebec3d48d3b43dbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c3f343facbe40873281ff56d87ab90c9b55d8af4c89532e20de56258d628583",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-09-21T08:07:59Z",
    "title_canon_sha256": "118e6f511833f1dd9938923f83945d0ebb95e6f83bf628ce77e3ff0546712923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10017",
    "kind": "arxiv",
    "version": 1
  }
}