Pith Number

pith:6TI3TEHA

pith:2020:6TI3TEHAP6QLK3SGBF4UWRSGD4

not attested not anchored not stored refs pending

Testing the Keplerian disk hypothesis using X-ray reflection spectroscopy

Ashutosh Tripathi, Askar B. Abdikamalov, Biao Zhou, Cosimo Bambi, Dimitry Ayzenberg, Sourabh Nampalliwar

arxiv:2008.01934 v2 · 2020-08-05 · 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{6TI3TEHAP6QLK3SGBF4UWRSGD4}

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	2026-07-05T01:50:11.822771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4d1b990e07fa0b56e4609794b46461f2f848fcd0218666ac103f7ad83a600d3

Aliases

arxiv: 2008.01934 · arxiv_version: 2008.01934v2 · doi: 10.48550/arxiv.2008.01934 · pith_short_12: 6TI3TEHAP6QL · pith_short_16: 6TI3TEHAP6QLK3SG · pith_short_8: 6TI3TEHA

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/6TI3TEHAP6QLK3SGBF4UWRSGD4 \
  | 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: f4d1b990e07fa0b56e4609794b46461f2f848fcd0218666ac103f7ad83a600d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d3b703a6ccedf5a79ac929829e9e7db733b0646aebb950062db5ec35984e2a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-08-05T05:03:40Z",
    "title_canon_sha256": "cb93ea736d1a55d457fb1210806ba597c766a574accb8ba2fcece7e56c2d00e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.01934",
    "kind": "arxiv",
    "version": 2
  }
}