Pith Number

pith:ZRH4XTSF

pith:2019:ZRH4XTSF3SFWXV5RLDTBSUG2KB

not attested not anchored not stored refs pending

Short GRB 160821B: a reverse shock, a refreshed shock, and a well-sampled kilonova

A. Corsi, A. de Ugarte Postigo, A. Higgins, A. J. Levan, A. J. van der Horst, A. S. Fruchter, B. Gompertz, C. C. Th\"one, D. A. Kann, D. A. Perley, D. B. Malesani, D. Watson, D. Xu, E. Pian, G. P. Lamb, G. Pugliese, J. Greiner, J. Hjorth, J. P. U. Fynbo, K. Heintz, K. Kawaguchi, K. L. Page, K. Wiersema, L. Izzo, M. Shibata, M. Tanaka, N. R. Tanvir, P. A. Evans, P. Jakobsson, P. T. O'Brien, R. A. M. J. Wijers, R. L. C. Starling, S. Rosswog, Z. Cano

arxiv:1905.02159 v3 · 2019-05-06 · 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{ZRH4XTSF3SFWXV5RLDTBSUG2KB}

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	2026-07-05T00:06:43.108307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc4fcbce45dc8b6bd7b158e61950da50480892bd7505a98130691f764580f1c2

Aliases

arxiv: 1905.02159 · arxiv_version: 1905.02159v3 · doi: 10.48550/arxiv.1905.02159 · pith_short_12: ZRH4XTSF3SFW · pith_short_16: ZRH4XTSF3SFWXV5R · pith_short_8: ZRH4XTSF

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/ZRH4XTSF3SFWXV5RLDTBSUG2KB \
  | 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: cc4fcbce45dc8b6bd7b158e61950da50480892bd7505a98130691f764580f1c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b8b6c3f89c256d581d69bac1b5906c138f608ff77cf4565c257d70dc920fcdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-06T17:19:39Z",
    "title_canon_sha256": "b67025a91a5760bfd561d57cb70f7acf49215bf75d6018e885e5ba385f42697b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02159",
    "kind": "arxiv",
    "version": 3
  }
}