Pith Number

pith:37GYWNAO

pith:2021:37GYWNAOABY3SYERDWMVGSMNRM

not attested not anchored not stored refs pending

Image of the Schwarzschild black hole pierced by a cosmic string with a thin accretion disk

Changqing Liu, Jiliang Jing, Li Tang

arxiv:2109.01867 v2 · 2021-09-04 · 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{37GYWNAOABY3SYERDWMVGSMNRM}

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

Construction of an analytic multi-component accretion environment and its application to Kerr black hole imaging

Receipt and verification

First computed	2026-07-05T04:13:10.442553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfcd8b340e0071b960911d9953498d8b21badf3c42cac3d08f0628ce9c7d6870

Aliases

arxiv: 2109.01867 · arxiv_version: 2109.01867v2 · doi: 10.48550/arxiv.2109.01867 · pith_short_12: 37GYWNAOABY3 · pith_short_16: 37GYWNAOABY3SYER · pith_short_8: 37GYWNAO

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/37GYWNAOABY3SYERDWMVGSMNRM \
  | 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: dfcd8b340e0071b960911d9953498d8b21badf3c42cac3d08f0628ce9c7d6870

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f475cf57854c740b8aa41f299c0bee285f156ba9c998102ae6f8119cd901b6db",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-09-04T13:47:31Z",
    "title_canon_sha256": "d4fc9513888a87f37a096a1eb47907a283feaecdf1e121e8a2de148b50555387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01867",
    "kind": "arxiv",
    "version": 2
  }
}