Pith Number

pith:VH2PYMWJ

pith:2018:VH2PYMWJ3B6PDOJUGOEBEIJUCY

not attested not anchored not stored refs pending

Swift observations of the dwarf nova ASASSN-18fs

A. S. Parikh, R. Wijnands

arxiv:1811.00870 v1 · 2018-11-02 · 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{VH2PYMWJ3B6PDOJUGOEBEIJUCY}

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	2026-05-18T00:01:41.889747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f4fc32c9d87cf1b934338812213416063eedb56b71a7f1a899a40181e61785

Aliases

arxiv: 1811.00870 · arxiv_version: 1811.00870v1 · doi: 10.48550/arxiv.1811.00870 · pith_short_12: VH2PYMWJ3B6P · pith_short_16: VH2PYMWJ3B6PDOJU · pith_short_8: VH2PYMWJ

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/VH2PYMWJ3B6PDOJUGOEBEIJUCY \
  | 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: a9f4fc32c9d87cf1b934338812213416063eedb56b71a7f1a899a40181e61785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4b90690ef1e094862245efcdad33d0d769091a055789cb3f78e8eaab10f87c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-02T14:08:55Z",
    "title_canon_sha256": "fa876495468d278b3441026067c10bd20ab757ececd05ca26586d8743efb5a85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00870",
    "kind": "arxiv",
    "version": 1
  }
}