Pith Number

pith:YQKCVVPU

pith:2012:YQKCVVPUIRM7V7OZFKXVJ4A4JI

not attested not anchored not stored refs pending

Direct imaging of a massive dust cloud around R Coronae Borealis

A.L. Chies-Santos (U Utrecht), C.U. Keller (U Utrecht), H. Canovas (U Utrecht), L.B.F.M. Waters (SRON, M. De Juan Ovelar (U Utrecht), M. Min (U Utrecht), M. Rodenhuis (U Utrecht), S.V. Jeffers (U Utrecht), U Amsterdam)

arxiv:1203.1265 v1 · 2012-03-06 · 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{YQKCVVPUIRM7V7OZFKXVJ4A4JI}

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	2026-05-18T04:00:39.936018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4142ad5f44459fafdd92aaf54f01c4a327420404eaa0186cdfa6817d36e8e86

Aliases

arxiv: 1203.1265 · arxiv_version: 1203.1265v1 · doi: 10.48550/arxiv.1203.1265 · pith_short_12: YQKCVVPUIRM7 · pith_short_16: YQKCVVPUIRM7V7OZ · pith_short_8: YQKCVVPU

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/YQKCVVPUIRM7V7OZFKXVJ4A4JI \
  | 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: c4142ad5f44459fafdd92aaf54f01c4a327420404eaa0186cdfa6817d36e8e86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be7304cc1be89cdcc419312c6b4e89ecc893eca0eb256a55bbd1874badd83058",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-06T18:02:08Z",
    "title_canon_sha256": "01022055c76a53dbe1590aaa5850398edfbcd21558d3a3dc1b6a8962867794e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1265",
    "kind": "arxiv",
    "version": 1
  }
}