Pith Number

pith:QNNQJL72

pith:2013:QNNQJL72QJO7BJHPHAPJTOS2TE

not attested not anchored not stored refs pending

The Gas-Rich Circumbinary Disk of HR 4049 I: A Detailed Study of the Mid-Infrared Spectrum

Jan Cami, Sarah E. Malek

arxiv:1310.6361 v1 · 2013-10-23 · 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{QNNQJL72QJO7BJHPHAPJTOS2TE}

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	2026-05-18T01:46:50.495133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

835b04affa825df0a4ef381e99ba5a99233413361a77448aef03099ab266678c

Aliases

arxiv: 1310.6361 · arxiv_version: 1310.6361v1 · doi: 10.48550/arxiv.1310.6361 · pith_short_12: QNNQJL72QJO7 · pith_short_16: QNNQJL72QJO7BJHP · pith_short_8: QNNQJL72

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/QNNQJL72QJO7BJHPHAPJTOS2TE \
  | 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: 835b04affa825df0a4ef381e99ba5a99233413361a77448aef03099ab266678c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74068cb7cb970a33e4e6a8f62d7050d57f7027b201ea12d4d277af06c5b38b3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-23T20:00:04Z",
    "title_canon_sha256": "6b52b5d7e04b91a8c18943414bb3ef6ca34e601f1488ea0d2fcb0b0b0661a540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6361",
    "kind": "arxiv",
    "version": 1
  }
}