Pith Number

pith:RISZUQSG

pith:2018:RISZUQSG7BZABN24JCECJQN6LP

not attested not anchored not stored refs pending

The luminous host galaxy, faint supernova and rapid afterglow rebrightening of GRB 100418A

A. de Ugarte Postigo, A. J. Castro-Tirado, A. J. van der Horst, A. Kamble, A. Rau, C. C. Thoene, C. Kouveliotou, D. A. Kann, D. A. Perley, D. Garcia-Appadoo, E. Rol, G. Petitpas, G. Pooley, I. Bikmaev, I. de Gregorio-Monsalvo, I. Khamitov, J. Gorosabel, J. P. U. Fynbo, K. Bensch, K. Wiersema, L. Izzo, M. Bremer, M. Jelinek, M. Nardini, N. R. Tanvir, P. Goldoni, P. Schady, R. A. M. J. Wijers, R. Burenin, R. Filgas, R. L. C. Starling, R. Sanchez-Ramirez, S. Covino, S. Martin, S. Melnikov, T. Kruehler, T. Zafar, Z. Cano

arxiv:1807.04281 v2 · 2018-07-11 · 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{RISZUQSG7BZABN24JCECJQN6LP}

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	2026-05-17T23:58:04.480935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a259a4246f87200b75c488824c1be5bc0141ebd5439bac54b01be3f7e831b8d

Aliases

arxiv: 1807.04281 · arxiv_version: 1807.04281v2 · doi: 10.48550/arxiv.1807.04281 · pith_short_12: RISZUQSG7BZA · pith_short_16: RISZUQSG7BZABN24 · pith_short_8: RISZUQSG

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/RISZUQSG7BZABN24JCECJQN6LP \
  | 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: 8a259a4246f87200b75c488824c1be5bc0141ebd5439bac54b01be3f7e831b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89c37bb411f7a7601eda493920b68903922da24c4a66078a3d699f853e195ece",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-11T18:00:01Z",
    "title_canon_sha256": "321afc7885b7cb22fd51e2dc28131b8a238b1d8436bdbf7d364572bcfe27b48f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04281",
    "kind": "arxiv",
    "version": 2
  }
}