Pith Number

pith:AYYIMSW3

pith:2021:AYYIMSW3RVYCFMCHBFYRCDK5UB

not attested not anchored not stored refs pending

Rotating neutron stars with quark cores

A. A. Usmani, H. C. Das, I. A. Rather, M. Imran, S. K. Patra, Usuf Rahaman

arxiv:2102.04067 v3 · 2021-02-08 · nucl-th · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYYIMSW3RVYCFMCHBFYRCDK5UB}

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	2026-07-05T03:12:26.682398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0630864adb8d7022b0470971110d5da0476e13fc67d88d598d8ddf0586ce22a3

Aliases

arxiv: 2102.04067 · arxiv_version: 2102.04067v3 · doi: 10.48550/arxiv.2102.04067 · pith_short_12: AYYIMSW3RVYC · pith_short_16: AYYIMSW3RVYCFMCH · pith_short_8: AYYIMSW3

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/AYYIMSW3RVYCFMCHBFYRCDK5UB \
  | 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: 0630864adb8d7022b0470971110d5da0476e13fc67d88d598d8ddf0586ce22a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca8ce18f0a845b6ed026212ed79e933dee144f99de106bb74561010d47088694",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2021-02-08T09:08:09Z",
    "title_canon_sha256": "f680ebe3af43e5a32180020dc0a58d112c4610ba4b13f3f7d69033cb2a61faa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04067",
    "kind": "arxiv",
    "version": 3
  }
}