Pith Number

pith:6UNC6PIK

pith:2013:6UNC6PIK7I4V46HXQ52UOKAXMJ

not attested not anchored not stored refs pending

IGR J19308+0530: Roche lobe overflow on to a compact object from a donor 1.8 times as massive

E. M. Ratti, G. Nelemans, H. Van Winckel, J. C. A. Miller-Jones, J. W. T. Hessels, M. A. P. Torres, M. van der Sluys, P. G. Jonker, T. F. J. van Grunsven

arxiv:1301.4896 v1 · 2013-01-21 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6UNC6PIK7I4V46HXQ52UOKAXMJ}

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	2026-05-18T01:52:05.081927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f51a2f3d0afa395e78f78775472817627b0e55b1933b5602f252a1f0ad24cbe9

Aliases

arxiv: 1301.4896 · arxiv_version: 1301.4896v1 · doi: 10.48550/arxiv.1301.4896 · pith_short_12: 6UNC6PIK7I4V · pith_short_16: 6UNC6PIK7I4V46HX · pith_short_8: 6UNC6PIK

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/6UNC6PIK7I4V46HXQ52UOKAXMJ \
  | 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: f51a2f3d0afa395e78f78775472817627b0e55b1933b5602f252a1f0ad24cbe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aa2cfdc07691cd6e2ffd586de823082b4b7293bbda1f3c408c68cdcd47d3825",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-21T15:44:57Z",
    "title_canon_sha256": "14751e747d73a8cc7cd96afa26604acb010257ff317c17267a800cd6acc4c09e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4896",
    "kind": "arxiv",
    "version": 1
  }
}