Pith Number

pith:JWWHFOWN

pith:2019:JWWHFOWNTROW6S64YLD5YLL5LK

not attested not anchored not stored refs pending

Discrepancy in the Upper Bound Mass of Neutron Stars

2), Bengaluru), Bengaluru (2) Department of Physics, Bengaluru (3) Indian Institute of Astrophysics, Christ (Deemed to be University), Christ Junior College, C Sivaram (3) ((1) Department of Physics, Electronics, Kenath Arun (1, Sandeep Kumar S (1)

arxiv:1902.08618 v1 · 2019-02-22 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWWHFOWNTROW6S64YLD5YLL5LK}

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	2026-05-17T23:52:50.638026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dac72bacd9c5d6f4bdcc2c7dc2d7d5aadc897ae2941e5b5bbc045a3aacf117b

Aliases

arxiv: 1902.08618 · arxiv_version: 1902.08618v1 · doi: 10.48550/arxiv.1902.08618 · pith_short_12: JWWHFOWNTROW · pith_short_16: JWWHFOWNTROW6S64 · pith_short_8: JWWHFOWN

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/JWWHFOWNTROW6S64YLD5YLL5LK \
  | 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: 4dac72bacd9c5d6f4bdcc2c7dc2d7d5aadc897ae2941e5b5bbc045a3aacf117b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf6a5c03fc5c51067bfb40e57898d34d7da51d935cfb690b586f1a286f4003b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-22T15:21:12Z",
    "title_canon_sha256": "9e5b3b5b17509cde278f4f88c608b5762949be7e2a40ba6bb8f942b7ae83569e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08618",
    "kind": "arxiv",
    "version": 1
  }
}