Pith Number

pith:FQVI46AW

pith:2018:FQVI46AWYWJAN3Z7XCF5V5THEP

not attested not anchored not stored refs pending

Fading of the X-ray Afterglow of Neutron Star Merger GW170817/GRB170817A at 260 days

Daryl Haggard, John J. Ruan, Melania Nynka, Phil A. Evans

arxiv:1805.04093 v2 · 2018-05-10 · 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{FQVI46AWYWJAN3Z7XCF5V5THEP}

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	2026-05-18T00:08:41.808490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2a8e7816c59206ef3fb88bdaf66723f6690bb516abd1a3f2f02bc4d2c48059

Aliases

arxiv: 1805.04093 · arxiv_version: 1805.04093v2 · doi: 10.48550/arxiv.1805.04093 · pith_short_12: FQVI46AWYWJA · pith_short_16: FQVI46AWYWJAN3Z7 · pith_short_8: FQVI46AW

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/FQVI46AWYWJAN3Z7XCF5V5THEP \
  | 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: 2c2a8e7816c59206ef3fb88bdaf66723f6690bb516abd1a3f2f02bc4d2c48059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7475f98c9ea74b3db87e46293cf9f2e9cf1425a0556a34a0cdf383a2c64becf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-10T17:47:12Z",
    "title_canon_sha256": "88441c67326277c5dc9a1bad2c81dfc986cfdc004903feeadaaf35fd5fd7840f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04093",
    "kind": "arxiv",
    "version": 2
  }
}