Pith Number

pith:MFIVVXI5

pith:2020:MFIVVXI5QMDYBBYGET6U5GQ2HT

not attested not anchored not stored refs pending

Reflection spectra of accretion disks illuminated by disk-like coronae

Askar B. Abdikamalov, Cosimo Bambi, Dimitry Ayzenberg, Haiyang Wang, Shafqat Riaz, Zhibo Yu

arxiv:2012.07469 v2 · 2020-12-14 · astro-ph.HE · 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{MFIVVXI5QMDYBBYGET6U5GQ2HT}

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	2026-07-05T03:51:05.263488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61515add1d830780870624fd4e9a1a3cca8f5a8eee69a60ece25765c8df98e99

Aliases

arxiv: 2012.07469 · arxiv_version: 2012.07469v2 · doi: 10.48550/arxiv.2012.07469 · pith_short_12: MFIVVXI5QMDY · pith_short_16: MFIVVXI5QMDYBBYG · pith_short_8: MFIVVXI5

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/MFIVVXI5QMDYBBYGET6U5GQ2HT \
  | 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: 61515add1d830780870624fd4e9a1a3cca8f5a8eee69a60ece25765c8df98e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "affec132a16e78d1a4bb580e6360036af5dea84a19f2d6dd88cf0aa15608f018",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-12-14T12:42:37Z",
    "title_canon_sha256": "c385527059369b6820dbf2ef4f0e53b203115dc3a1eb9fd1ac6a55d1c0ab4e11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07469",
    "kind": "arxiv",
    "version": 2
  }
}