Pith Number

pith:552FWXSB

pith:2010:552FWXSBCLP63ZGCRYU7Z44UJV

not attested not anchored not stored refs pending

A Spitzer IRS Study of Infrared Variability in Transitional and Pre-Transitional Disks around T Tauri Stars

B. Sargent, C. Espaillat, Dan M. Watson, E. Furlan, E. Nagel, J. Muzerolle, N. Calvet, P. D'Alessio

arxiv:1012.3500 v1 · 2010-12-16 · 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{552FWXSBCLP63ZGCRYU7Z44UJV}

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	2026-05-18T02:04:24.020563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef745b5e4112dfede4c28e29fcf3944d419dae67710dcfc22229f129d28026f9

Aliases

arxiv: 1012.3500 · arxiv_version: 1012.3500v1 · doi: 10.48550/arxiv.1012.3500 · pith_short_12: 552FWXSBCLP6 · pith_short_16: 552FWXSBCLP63ZGC · pith_short_8: 552FWXSB

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/552FWXSBCLP63ZGCRYU7Z44UJV \
  | 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: ef745b5e4112dfede4c28e29fcf3944d419dae67710dcfc22229f129d28026f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca6326f7b722babdb12cb8170823b89b6c9a1aadb76914841773ca79217154c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-16T02:05:06Z",
    "title_canon_sha256": "c2bd2b77959fae8a367a83e90f975fdc67499dd1b7b7635a3b963eb099b7eb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3500",
    "kind": "arxiv",
    "version": 1
  }
}