Pith Number

pith:CSTOPHYU

pith:2020:CSTOPHYUTPCOG3SVQRIXT254OM

not attested not anchored not stored refs pending

The (re)appearance of NGC 925 ULX-3, a new transient ULX

Amruta Jaodand, Daniel Stern, Dominic J. Walton, Felix F\"urst, Fiona A. Harrison, Hannah P. Earnshaw, Marianne Heida, Matthew J. Middleton, Murray Brightman, Rajath Sathyaprakash, Timothy P. Roberts

arxiv:2001.00642 v2 · 2020-01-02 · 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{CSTOPHYUTPCOG3SVQRIXT254OM}

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.

Cited by

1 paper in Pith

Transient and Variable Ultra-luminous X-ray Sources in NGC 4552

Receipt and verification

First computed	2026-07-05T00:50:12.148723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14a6e79f149bc4e36e55845179ebbc73042654368b38fbeb9eb8e049149b1993

Aliases

arxiv: 2001.00642 · arxiv_version: 2001.00642v2 · doi: 10.48550/arxiv.2001.00642 · pith_short_12: CSTOPHYUTPCO · pith_short_16: CSTOPHYUTPCOG3SV · pith_short_8: CSTOPHYU

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/CSTOPHYUTPCOG3SVQRIXT254OM \
  | 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: 14a6e79f149bc4e36e55845179ebbc73042654368b38fbeb9eb8e049149b1993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74437cb264898c327804fd2e212685349dec2590977b73fc9012f942a8c5f338",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-01-02T21:59:38Z",
    "title_canon_sha256": "0dba540122483530b999880336cf5d52df84ba8589cbd72bae814db35d473fd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00642",
    "kind": "arxiv",
    "version": 2
  }
}