Pith Number

pith:5LEG7FDD

pith:2019:5LEG7FDD5SYU66XLMEUU6S3KCG

not attested not anchored not stored refs pending

Constraining the Johannsen deformation parameter $\epsilon_3$ with black hole X-ray data

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

arxiv:1903.04071 v2 · 2019-03-10 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5LEG7FDD5SYU66XLMEUU6S3KCG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:49:32.749477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eac86f9463ecb14f7aeb61294f4b6a1195002575283cef4bb4b3f364960aa3ef

Aliases

arxiv: 1903.04071 · arxiv_version: 1903.04071v2 · doi: 10.48550/arxiv.1903.04071 · pith_short_12: 5LEG7FDD5SYU · pith_short_16: 5LEG7FDD5SYU66XL · pith_short_8: 5LEG7FDD

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/5LEG7FDD5SYU66XLMEUU6S3KCG \
  | 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: eac86f9463ecb14f7aeb61294f4b6a1195002575283cef4bb4b3f364960aa3ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea064d8f390eba7e28dca448cccc2c97e3df94521caf83ee9dfc55e46351e57",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-10T22:36:52Z",
    "title_canon_sha256": "396a8a9c5df8428b117685dec5b44bed4943ede6f770fe2a74307a23c2617838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04071",
    "kind": "arxiv",
    "version": 2
  }
}