Pith Number

pith:YCCFQQCD

pith:2011:YCCFQQCDSW2JDS2KOOS73EP7XP

not attested not anchored not stored refs pending

The fastest way to circle a black hole

Shahar Hod

arxiv:1201.0068 v1 · 2011-12-30 · gr-qc · astro-ph.HE · 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{YCCFQQCDSW2JDS2KOOS73EP7XP}

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

1 paper in Pith

Quasi-topological Electromagnetism: Dark Energy, Dyonic Black Holes, Stable Photon Spheres and Hidden Electromagnetic Duality

Receipt and verification

First computed	2026-05-18T01:58:59.504260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c08458404395b491cb4a73a5fd91ffbbffda3aa7b8427cc7c758338324a9036a

Aliases

arxiv: 1201.0068 · arxiv_version: 1201.0068v1 · doi: 10.48550/arxiv.1201.0068 · pith_short_12: YCCFQQCDSW2J · pith_short_16: YCCFQQCDSW2JDS2K · pith_short_8: YCCFQQCD

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/YCCFQQCDSW2JDS2KOOS73EP7XP \
  | 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: c08458404395b491cb4a73a5fd91ffbbffda3aa7b8427cc7c758338324a9036a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c2243ba55c02d282bc209f4b2495a583a98e41cd460901f545490dab9fa0f75",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-30T05:55:55Z",
    "title_canon_sha256": "559d5a1626d68403d34ccb5d91b41f0329fd218cd7227d24a72f3a1866501acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0068",
    "kind": "arxiv",
    "version": 1
  }
}