Pith Number

pith:C7REG5YZ

pith:2016:C7REG5YZNGID6PS62DQ6QV73M6

not attested not anchored not stored refs pending

The masses of neutron stars

J.E. Horvath, R. Valentim

arxiv:1607.06981 v1 · 2016-07-23 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7REG5YZNGID6PS62DQ6QV73M6}

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	2026-05-18T00:17:44.376430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e243771969903f3e5ed0e1e857fb67b8abfba151d60380556c52018f7f7975

Aliases

arxiv: 1607.06981 · arxiv_version: 1607.06981v1 · doi: 10.48550/arxiv.1607.06981 · pith_short_12: C7REG5YZNGID · pith_short_16: C7REG5YZNGID6PS6 · pith_short_8: C7REG5YZ

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/C7REG5YZNGID6PS62DQ6QV73M6 \
  | 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: 17e243771969903f3e5ed0e1e857fb67b8abfba151d60380556c52018f7f7975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9c15490204d46c2c183b348f9fe2f426fd507f564f66c4947c1793591a7dc10",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-07-23T23:07:25Z",
    "title_canon_sha256": "23023544f08f9be50a01b8c6d52fa4aeee0fc8d4d0907dad7b9f12d3387b7604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06981",
    "kind": "arxiv",
    "version": 1
  }
}