Pith Number

pith:FQP5CNHF

pith:2017:FQP5CNHFQ7EDK2LP4L7IVRBAUE

not attested not anchored not stored refs pending

The Rapid Reddening and Featureless Optical Spectra of the optical counterpart of GW170817, AT 2017gfo, During the First Four Days

Curtis McCully, Daichi Hiramatsu, D. Andrew Howell, Daniel Kasen, David A.H. Buckley, Encarni Romero-Colmenero, Griffin Hosseinzadeh, Iair Arcavi, Igor Andreoni, Jamison Burke, Jeffery Cooke, Jennifer Barnes, Jirong Mao, Mariusz Gromadzki, Michael M. Shara, Petri V\"ais\"anen, Stephen B. Potter, Steven M. Crawford, Ted B. Williams, Tyler A. Pritchard

arxiv:1710.05853 v1 · 2017-10-16 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQP5CNHFQ7EDK2LP4L7IVRBAUE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:32:47.951691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1fd134e587c835696fe2fe8ac420a1195d3f03d762698a292602e73152b6fd

Aliases

arxiv: 1710.05853 · arxiv_version: 1710.05853v1 · doi: 10.48550/arxiv.1710.05853 · pith_short_12: FQP5CNHFQ7ED · pith_short_16: FQP5CNHFQ7EDK2LP · pith_short_8: FQP5CNHF

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/FQP5CNHFQ7EDK2LP4L7IVRBAUE \
  | 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: 2c1fd134e587c835696fe2fe8ac420a1195d3f03d762698a292602e73152b6fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a0bb9f40c0350dcb7f311c2b5cc967ef4d16ad85da11d2494b0edf06ebd738d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-10-16T16:58:10Z",
    "title_canon_sha256": "d0d27e30fc7dc64ac41e2c1f1226cafafb142fdc0565225340b0b4c5d27524c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05853",
    "kind": "arxiv",
    "version": 1
  }
}