Pith Number

pith:K4PA5X4E

pith:2020:K4PA5X4EUE55JVTCEPXGL2BNYS

not attested not anchored not stored refs pending

The ultraluminous X-ray source bubble in NGC 5585

Axel Schwope, Christian Motch, James Miller-Jones, Manfred Pakull, Matthew Ryan, Roberto Soria, Ryan Urquhart

arxiv:2012.03970 v1 · 2020-12-07 · 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{K4PA5X4EUE55JVTCEPXGL2BNYS}

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	2026-07-05T01:59:36.369832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

571e0edf84a13bd4d66223ee65e82dc4bb17bb17c99495ccb4a0e103120655ee

Aliases

arxiv: 2012.03970 · arxiv_version: 2012.03970v1 · doi: 10.48550/arxiv.2012.03970 · pith_short_12: K4PA5X4EUE55 · pith_short_16: K4PA5X4EUE55JVTC · pith_short_8: K4PA5X4E

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/K4PA5X4EUE55JVTCEPXGL2BNYS \
  | 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: 571e0edf84a13bd4d66223ee65e82dc4bb17bb17c99495ccb4a0e103120655ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3331ddfc9bb9a8ec3145f39ad750e214764ad4386963a3e38aeba9ac5c365364",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-12-07T19:00:05Z",
    "title_canon_sha256": "698b920da69e7ad0a2a2ee8932b05ce00563705500ae6ad6d1d237cbc51213b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03970",
    "kind": "arxiv",
    "version": 1
  }
}