Pith Number

pith:FMT6WHB4

pith:2019:FMT6WHB4VBXD47FAADJKJUAM2F

not attested not anchored not stored refs pending

Did GW170817 harbor a pulsar?

Enrico Ramirez-Ruiz, Jeff J. Andrews, Sophie L. Schr{\o}der

arxiv:1905.09179 v2 · 2019-05-22 · 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{FMT6WHB4VBXD47FAADJKJUAM2F}

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	2026-07-05T00:06:44.262351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b27eb1c3ca86e3e7ca000d2a4d00cd14e9578efd45e1f72ecfc751e22a4b389

Aliases

arxiv: 1905.09179 · arxiv_version: 1905.09179v2 · doi: 10.48550/arxiv.1905.09179 · pith_short_12: FMT6WHB4VBXD · pith_short_16: FMT6WHB4VBXD47FA · pith_short_8: FMT6WHB4

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/FMT6WHB4VBXD47FAADJKJUAM2F \
  | 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: 2b27eb1c3ca86e3e7ca000d2a4d00cd14e9578efd45e1f72ecfc751e22a4b389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c54cf15ac4caaa347ae2975908e7a5e584b2e65772b5fb50bb37d69746e57ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-22T15:01:21Z",
    "title_canon_sha256": "e2469fa5c1fb2c561fb841d610a26482190b34df4f454c2fe37cf4239c6e1f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09179",
    "kind": "arxiv",
    "version": 2
  }
}