Pith Number

pith:IB7J7NXX

pith:2005:IB7J7NXXCP2Z2WFXVPKUIBFAPH

not attested not anchored not stored refs pending

The circumstellar disc around the Herbig AeBe star HD169142

(2) Instituto de Ciencias del Espacio (CSIC)-IEEC Barcelona, 3), (3) On sabbatical leave at the UK Astronomy Technology Centre, (4) Instituto de Astrof\'isica de Andaluc\'ia (CSIC), (5) Dept. of Astronomy, Ann Arbor, G. Anglada (4) ((1) UK Astronomy Technology Centre, Granada, J. M. Torrelles (2, MI, M. Osorio (4), N. Calvet (5), Royal Observatory Edinburgh, Spain, St., UK, University of Michigan, USA), W. R. F. Dent (1)

arxiv:astro-ph/0511261 v1 · 2005-11-09 · 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{IB7J7NXXCP2Z2WFXVPKUIBFAPH}

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	2026-05-18T01:08:58.810370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407e9fb6f713f59d58b7abd54404a079d353a9963159f225e3a6f16642f635e5

Aliases

arxiv: astro-ph/0511261 · arxiv_version: astro-ph/0511261v1 · doi: 10.48550/arxiv.astro-ph/0511261 · pith_short_12: IB7J7NXXCP2Z · pith_short_16: IB7J7NXXCP2Z2WFX · pith_short_8: IB7J7NXX

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/IB7J7NXXCP2Z2WFXVPKUIBFAPH \
  | 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: 407e9fb6f713f59d58b7abd54404a079d353a9963159f225e3a6f16642f635e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b37cee193fd0b12a62ce53c2bf92b50dbb4028cde0748dd7ab25a519657535",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-09T12:52:02Z",
    "title_canon_sha256": "cec772b579c61881762ea742e6acef00dd6eddedb95f1b1e3d3ca7fe9a48e6f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511261",
    "kind": "arxiv",
    "version": 1
  }
}