Pith Number

pith:IGSYNDWO

pith:2022:IGSYNDWOUPTBFTHQ3K66F5RZRJ

not attested not anchored not stored refs pending

Photon surfaces, shadows and accretion disks in gravity with minimally coupled scalar field

Dmitri Gal'tsov, Galin Gyulchev, Igor Bogush, Kirill Kobialko, Petya Nedkova, Tsvetan Vetsov

arxiv:2205.01919 v1 · 2022-05-04 · 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{IGSYNDWOUPTBFTHQ3K66F5RZRJ}

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

Gravitational shadow and emission spectrum of thin accretion disks in a plasma medium

Receipt and verification

First computed	2026-07-05T04:52:53.587036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a5868ecea3e612ccf0dabde2f6398a4061a807b05ed2540668e94ccd3217ad

Aliases

arxiv: 2205.01919 · arxiv_version: 2205.01919v1 · doi: 10.48550/arxiv.2205.01919 · pith_short_12: IGSYNDWOUPTB · pith_short_16: IGSYNDWOUPTBFTHQ · pith_short_8: IGSYNDWO

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/IGSYNDWOUPTBFTHQ3K66F5RZRJ \
  | 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: 41a5868ecea3e612ccf0dabde2f6398a4061a807b05ed2540668e94ccd3217ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "752eb033e88dc85339a34956af11c1ddf0447016cb640201dceeed3ab073e5f5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-05-04T07:12:51Z",
    "title_canon_sha256": "ff7c3065bc92c964299f0575ef6cbbf1b784a9cda43cdadbf8dab537f20434d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.01919",
    "kind": "arxiv",
    "version": 1
  }
}