Pith Number

pith:XNBFG44O

pith:2012:XNBFG44OQCV5ZPFPMBKGYOVPW5

not attested not anchored not stored refs pending

Kinks and Dents in Protoplanetary Disks: Rapid Infrared Variability as Evidence for Large Structural Perturbations

(2) STScI, (3) UMASS Amherst, (4) MPIA, (5) Wesleyan University, (6) University of Toledo), George Rieke (1), James Muzerolle (2), Kevin Flaherty (1), Robert Gutermuth (3), S.T. Megeath (6) ((1) Steward Observatory, William Herbst (5), Zoltan Balog (4)

arxiv:1212.1731 v1 · 2012-12-07 · 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{XNBFG44OQCV5ZPFPMBKGYOVPW5}

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	2026-05-18T01:52:46.316429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb4253738e80abdcbcaf60546c3aafb75060abf9c8a4e12fd444e41a03e99140

Aliases

arxiv: 1212.1731 · arxiv_version: 1212.1731v1 · doi: 10.48550/arxiv.1212.1731 · pith_short_12: XNBFG44OQCV5 · pith_short_16: XNBFG44OQCV5ZPFP · pith_short_8: XNBFG44O

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/XNBFG44OQCV5ZPFPMBKGYOVPW5 \
  | 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: bb4253738e80abdcbcaf60546c3aafb75060abf9c8a4e12fd444e41a03e99140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bcd4f9d892e17c444bf293e4e77585fdb63a1009d850319eb458935eea26362",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-12-07T22:09:40Z",
    "title_canon_sha256": "52785a7655be17d09e16df8ea6d595e2933314ca5a3a1a02a81cb26ad4240b05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1731",
    "kind": "arxiv",
    "version": 1
  }
}