Pith Number

pith:QIX6QFUZ

pith:2011:QIX6QFUZ2JKNMJJF2JESQTWZFX

not attested not anchored not stored refs pending

Measuring Organic Molecular Emission in Disks with Low Resolution Spitzer Spectroscopy

Daniel Apai, Ilaria Pascucci, Joan R. Najita, Johanna K. Teske, John S. Carr, Thomas Henning

arxiv:1104.0249 v1 · 2011-04-01 · 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{QIX6QFUZ2JKNMJJF2JESQTWZFX}

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	2026-05-18T02:02:41.309403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

822fe81699d254d62525d249284ed92dd4d3ba3f1cc9a0c93a489a8596c79b7d

Aliases

arxiv: 1104.0249 · arxiv_version: 1104.0249v1 · doi: 10.48550/arxiv.1104.0249 · pith_short_12: QIX6QFUZ2JKN · pith_short_16: QIX6QFUZ2JKNMJJF · pith_short_8: QIX6QFUZ

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/QIX6QFUZ2JKNMJJF2JESQTWZFX \
  | 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: 822fe81699d254d62525d249284ed92dd4d3ba3f1cc9a0c93a489a8596c79b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca286c384143cfd285c4450927c67bad9d6cfb6bda7ddbf74174bc0249f5e7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-01T20:16:34Z",
    "title_canon_sha256": "8643819bc37d9341107c8ed27e61a5e515cf23f46bd0f0efd7ed358381861994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0249",
    "kind": "arxiv",
    "version": 1
  }
}