Pith Number

pith:2VJR7QWI

pith:2012:2VJR7QWIWCZOQ2HJ2IY2VKOJ6F

not attested not anchored not stored refs pending

A minor merger scenario for the ultraluminous X-ray source ESO 243-49 HLX-1

L. Mayer, L. Zampieri, M. Mapelli

arxiv:1203.4237 v2 · 2012-03-19 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VJR7QWIWCZOQ2HJ2IY2VKOJ6F}

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	2026-05-18T01:58:05.957835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5531fc2c8b0b2e868e9d231aaa9c9f15edfb8fdc581b2fe966c33192e8ce85f

Aliases

arxiv: 1203.4237 · arxiv_version: 1203.4237v2 · doi: 10.48550/arxiv.1203.4237 · pith_short_12: 2VJR7QWIWCZO · pith_short_16: 2VJR7QWIWCZOQ2HJ · pith_short_8: 2VJR7QWI

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/2VJR7QWIWCZOQ2HJ2IY2VKOJ6F \
  | 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: d5531fc2c8b0b2e868e9d231aaa9c9f15edfb8fdc581b2fe966c33192e8ce85f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d215f018ca8f14dcda6c3b77295164ee96ae59ab5ef51653e97f8980f1b684d2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-19T20:00:40Z",
    "title_canon_sha256": "6d822fa187e09dcaf03baf33c3810e438b578401ae808ad7bbaea6462c448f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4237",
    "kind": "arxiv",
    "version": 2
  }
}