Pith Number

pith:NL4CONUX

pith:2020:NL4CONUXP7NVQ2JBKK6W7HVGWA

not attested not anchored not stored refs pending

Binary evolution leading to the formation of the very massive neutron star in the J0740+6620 binary system

M. A. De Vito, M. Echeveste, M. L. Novarino, O. G. Benvenuto

arxiv:2005.11449 v1 · 2020-05-23 · astro-ph.SR · 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{NL4CONUXP7NVQ2JBKK6W7HVGWA}

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	2026-07-05T01:07:31.832688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6af82736977fdb58692152bd6f9ea6b02884857de560d0e28680abd65fd98dbd

Aliases

arxiv: 2005.11449 · arxiv_version: 2005.11449v1 · doi: 10.48550/arxiv.2005.11449 · pith_short_12: NL4CONUXP7NV · pith_short_16: NL4CONUXP7NVQ2JB · pith_short_8: NL4CONUX

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/NL4CONUXP7NVQ2JBKK6W7HVGWA \
  | 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: 6af82736977fdb58692152bd6f9ea6b02884857de560d0e28680abd65fd98dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e4b82fd9a07ef204c2e767a8a7c7fc297804648ecdad6997a3f57339a149a0a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-23T02:02:44Z",
    "title_canon_sha256": "3a6ad9f94f200872456e79456600ede862f975a69186791c3fe24a11064fdd71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.11449",
    "kind": "arxiv",
    "version": 1
  }
}