Pith Number

pith:EWKUIW5Y

pith:2022:EWKUIW5YGUA6HSFNQ4R5WJ565L

not attested not anchored not stored refs pending

Absorption and scattering of massless scalar wave from Regular Black Holes

Chen Wu, Mao-Yuan Wan

arxiv:2212.01798 v2 · 2022-12-04 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWKUIW5YGUA6HSFNQ4R5WJ565L}

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.

Receipt and verification

First computed	2026-07-05T05:22:31.400358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2595445bb83501e3c8ad8723db27beead8e98d92144973ff060ab30cfeaeb0aa

Aliases

arxiv: 2212.01798 · arxiv_version: 2212.01798v2 · doi: 10.48550/arxiv.2212.01798 · pith_short_12: EWKUIW5YGUA6 · pith_short_16: EWKUIW5YGUA6HSFN · pith_short_8: EWKUIW5Y

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/EWKUIW5YGUA6HSFNQ4R5WJ565L \
  | 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: 2595445bb83501e3c8ad8723db27beead8e98d92144973ff060ab30cfeaeb0aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86bd0374a110112950a24bca7ab84ad9445b6aa00b00221a89256ac452638874",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-12-04T11:35:00Z",
    "title_canon_sha256": "3730f0b10057ce382d5384c24c93e81620a7f0d2bbb914fedee9b071e7c73072"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.01798",
    "kind": "arxiv",
    "version": 2
  }
}