Pith Number

pith:GC4JXVOA

pith:2014:GC4JXVOAVSVULO4YPG7NN7JR5Q

not attested not anchored not stored refs pending

Pulsar Timing Constraints on Cumulative and Individual Mass of Stars in the Galactic Center

Abraham Loeb, Pierre Christian

arxiv:1404.1928 v2 · 2014-04-07 · astro-ph.IM · 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{GC4JXVOAVSVULO4YPG7NN7JR5Q}

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	2026-05-18T01:43:36.782807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30b89bd5c0acab45bb9879bed6fd31ec20ab23ea2bc0dc18037ffd946d81318d

Aliases

arxiv: 1404.1928 · arxiv_version: 1404.1928v2 · doi: 10.48550/arxiv.1404.1928 · pith_short_12: GC4JXVOAVSVU · pith_short_16: GC4JXVOAVSVULO4Y · pith_short_8: GC4JXVOA

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/GC4JXVOAVSVULO4YPG7NN7JR5Q \
  | 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: 30b89bd5c0acab45bb9879bed6fd31ec20ab23ea2bc0dc18037ffd946d81318d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4deb538ed550aef11d41e99cedf66c646fae002c94925cf62b961b867e0f2f30",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-04-07T20:00:26Z",
    "title_canon_sha256": "c52b6b2038fa1f794c77e0cd69b62eebda0a8d55186e284718b2edd53e277abb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1928",
    "kind": "arxiv",
    "version": 2
  }
}