Pith Number

pith:NCE2URAP

pith:2005:NCE2URAP7SDP3P2HWAGTNRWIRW

not attested not anchored not stored refs pending

S Ori J053825.4-024241: A Classical T Tauri-like object at the substellar boundary

E. L. Mart\'in, J. A. Caballero, M. R. Zapatero Osorio, R. Rebolo, R. Wainscoat, V. J. S. B\'ejar, Ya. Pavlenko

arxiv:astro-ph/0509613 v1 · 2005-09-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCE2URAP7SDP3P2HWAGTNRWIRW}

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	2026-05-18T01:08:58.893064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6889aa440ffc86fdbf47b00d36c6c88dbaeb53b9692e771f0a173c6c50d44754

Aliases

arxiv: astro-ph/0509613 · arxiv_version: astro-ph/0509613v1 · doi: 10.48550/arxiv.astro-ph/0509613 · pith_short_12: NCE2URAP7SDP · pith_short_16: NCE2URAP7SDP3P2H · pith_short_8: NCE2URAP

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/NCE2URAP7SDP3P2HWAGTNRWIRW \
  | 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: 6889aa440ffc86fdbf47b00d36c6c88dbaeb53b9692e771f0a173c6c50d44754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6500c0228c3484c12721395eadec3a4e17ec33e756360be6dcb77ae539a5b01b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-20T23:55:33Z",
    "title_canon_sha256": "09af186ef7d7c956c3a58d06bd6c8dd7b99d9971a8c5518ab7c57f25ee1abdd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509613",
    "kind": "arxiv",
    "version": 1
  }
}