Pith Number

pith:C6M42X36

pith:2021:C6M42X365OBDO25PHJ2HY23YMS

not attested not anchored not stored refs pending

Does a long-lived remnant neutron star exist after short gamma-ray burst GRB 160821B?

Guang-Lei Wu, Jin-Ping Zhu, Yun-Wei Yu

arxiv:2108.01349 v1 · 2021-08-03 · 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{C6M42X365OBDO25PHJ2HY23YMS}

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	2026-07-05T03:26:03.779406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1799cd5f7eeb82376baf3a747c6b7864ad3f4169b9c85d85a819c288b73619bb

Aliases

arxiv: 2108.01349 · arxiv_version: 2108.01349v1 · doi: 10.48550/arxiv.2108.01349 · pith_short_12: C6M42X365OBD · pith_short_16: C6M42X365OBDO25P · pith_short_8: C6M42X36

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/C6M42X365OBDO25PHJ2HY23YMS \
  | 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: 1799cd5f7eeb82376baf3a747c6b7864ad3f4169b9c85d85a819c288b73619bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a849ea13d7ff9094f6a971e2a6aa59821de8b65cf87700fd7e4f9aa8fd3fb849",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-03T08:04:21Z",
    "title_canon_sha256": "a368266e788f152c358b5a93c4c6972156feb30d2c663688d11cd5c16cda4f04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01349",
    "kind": "arxiv",
    "version": 1
  }
}