pith. sign in
Pith Number

pith:KFU35SEK

pith:2010:KFU35SEKJ4765WDC57ISGR2PM7
not attested not anchored not stored refs pending

CI observations in the CQ Tau proto-planetary disk: evidence for a very low gas-to-dust ratio ?

A. Dutrey, B. Parise, E. Chapillon, S. Guilloteau, V. Wakelam

arxiv:1006.5244 v1 · 2010-06-27 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KFU35SEKJ4765WDC57ISGR2PM7}

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 2026-05-18T02:06:35.073276Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5169bec88a4f3feed862efd123474f67f9bcedaaedb78f1b6fd5de27d6bd08cb

Aliases

arxiv: 1006.5244 · arxiv_version: 1006.5244v1 · doi: 10.48550/arxiv.1006.5244 · pith_short_12: KFU35SEKJ476 · pith_short_16: KFU35SEKJ4765WDC · pith_short_8: KFU35SEK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KFU35SEKJ4765WDC57ISGR2PM7 \
  | 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: 5169bec88a4f3feed862efd123474f67f9bcedaaedb78f1b6fd5de27d6bd08cb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "18cc94fcd613f697d0ca69318e9fefe44a8aee5c4c13d7ec55d2ed388a1240a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-06-27T22:31:36Z",
    "title_canon_sha256": "ca682bb6820476cf59efadd2241596f429380d5882679bbbbfa3edebfe2b3525"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5244",
    "kind": "arxiv",
    "version": 1
  }
}