Pith Number

pith:LUL4COA6

pith:2021:LUL4COA6OBS4JNEHWRVZ4WANFS

not attested not anchored not stored refs pending

Image of the thin accretion disk around compact objects in the Einstein-Gauss-Bonnet gravity

Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Tsvetan Vetsov

arxiv:2106.14697 v1 · 2021-06-28 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUL4COA6OBS4JNEHWRVZ4WANFS}

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

2 papers in Pith

Light Rings, Accretion Disks and Shadows of Hayward Boson Stars

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$

Receipt and verification

First computed	2026-07-05T03:25:59.128169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d17c1381e7065c4b487b46b9e580d2c97beeef12618f63561ff3e24c4f04749

Aliases

arxiv: 2106.14697 · arxiv_version: 2106.14697v1 · doi: 10.48550/arxiv.2106.14697 · pith_short_12: LUL4COA6OBS4 · pith_short_16: LUL4COA6OBS4JNEH · pith_short_8: LUL4COA6

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/LUL4COA6OBS4JNEHWRVZ4WANFS \
  | 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: 5d17c1381e7065c4b487b46b9e580d2c97beeef12618f63561ff3e24c4f04749

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8abef2fa133f64e8a3c4a17d88a939207c8bfa29529693c3fb251aea5ae8352e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-06-28T13:26:17Z",
    "title_canon_sha256": "c46e09f0bb9bee410fd9a9dd195a5dcf2bda4b15c6d0f1dd744aeaec75120478"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.14697",
    "kind": "arxiv",
    "version": 1
  }
}