Pith Number

pith:J2NFCXEX

pith:2009:J2NFCXEXBRGLS3GZLMZBIR3UXX

not attested not anchored not stored refs pending

Strong near-infrared emission in the sub-AU disk of the Herbig Ae star HD163296: evidence for refractory dust?

A. Isella, A. Merand, A. Natta, F. Malbet, F. Massi, G. Duvert, G. Weigelt, J-B. LeBouquin, J. Olofsson, J-P. Berger, L. Testi, M. Benisty, M. Vannier, S. Kraus, S. Robbe-Dubois

arxiv:0911.4363 v2 · 2009-11-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2NFCXEXBRGLS3GZLMZBIR3UXX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:10:37.554901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9a515c970c4cb96cd95b32144774bdde5ecd2ea429d199e820b27a5d16e45f

Aliases

arxiv: 0911.4363 · arxiv_version: 0911.4363v2 · doi: 10.48550/arxiv.0911.4363 · pith_short_12: J2NFCXEXBRGL · pith_short_16: J2NFCXEXBRGLS3GZ · pith_short_8: J2NFCXEX

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/J2NFCXEXBRGLS3GZLMZBIR3UXX \
  | 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: 4e9a515c970c4cb96cd95b32144774bdde5ecd2ea429d199e820b27a5d16e45f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15a8a7ff3b9c08948802c10f69fa3caabe1a515709ddbd28100dd79275afd88e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-23T11:09:20Z",
    "title_canon_sha256": "7208ce54beb8de7a6acc2b7784d00ac57dd540d3ea50f1b33e98cb4c7295b450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4363",
    "kind": "arxiv",
    "version": 2
  }
}