Pith Number

pith:UN33C6F2

pith:2017:UN33C6F2RKTHF2XA43JYR3WRM4

not attested not anchored not stored refs pending

Detect black holes using photons for coupling model of electromagnetic and gravitational fields

Jieci Wang, Jiliang Jing, Qiyuan Pan, Songbai Chen

arxiv:1704.08794 v1 · 2017-04-28 · 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{UN33C6F2RKTHF2XA43JYR3WRM4}

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

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

Receipt and verification

First computed	2026-05-18T00:45:25.260113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a377b178ba8aa672eae0e6d388eed16729c8135d4733fe93422087effd388ec8

Aliases

arxiv: 1704.08794 · arxiv_version: 1704.08794v1 · doi: 10.48550/arxiv.1704.08794 · pith_short_12: UN33C6F2RKTH · pith_short_16: UN33C6F2RKTHF2XA · pith_short_8: UN33C6F2

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/UN33C6F2RKTHF2XA43JYR3WRM4 \
  | 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: a377b178ba8aa672eae0e6d388eed16729c8135d4733fe93422087effd388ec8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fe6383d03ab74dbf7a82276189fdd99eb2eac254a66172059bb370a88c0d687",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-28T02:57:44Z",
    "title_canon_sha256": "f0fe71694afcbed9c7f8253063678318b2b526563e333195fe40cbac9c66e088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08794",
    "kind": "arxiv",
    "version": 1
  }
}