Pith Number

pith:GC33OPT5

pith:2019:GC33OPT5GYUNAMPHE22OPLVBUP

not attested not anchored not stored refs pending

2SXPS: An improved and expanded Swift X-ray telescope point source catalog

A.P. Beardmore, D.N. Burrows, G. Tagliaferri, J.A. Kennea, J.P. Osborne, K.L. Page, M. Capalbi, M. Perri, P.A. Evans, R. Willingale, S.B. Cenko

arxiv:1911.11710 v2 · 2019-11-26 · astro-ph.IM · 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{GC33OPT5GYUNAMPHE22OPLVBUP}

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	2026-07-05T00:53:09.356540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30b7b73e7d3628d031e726b4e7aea1a3e43c1437ca55c0cffbdfce30d8d13f32

Aliases

arxiv: 1911.11710 · arxiv_version: 1911.11710v2 · doi: 10.48550/arxiv.1911.11710 · pith_short_12: GC33OPT5GYUN · pith_short_16: GC33OPT5GYUNAMPH · pith_short_8: GC33OPT5

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/GC33OPT5GYUNAMPHE22OPLVBUP \
  | 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: 30b7b73e7d3628d031e726b4e7aea1a3e43c1437ca55c0cffbdfce30d8d13f32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a50dfbd25c7408225c17fe5e69f0f0a96a6db8507a2f1c390638ba06ed7caf",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-26T17:31:31Z",
    "title_canon_sha256": "430becc69173b42874ea7d03ec3b734e69baf142dc6c85e9248d566baa795247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11710",
    "kind": "arxiv",
    "version": 2
  }
}