Pith Number

pith:TKXKKDQT

pith:2012:TKXKKDQT6NHPUUYCNI5TN7BEM3

not attested not anchored not stored refs pending

The Absence of Cold Dust around Warm Debris Disk Star HD 15407A

Daisuke Ishihara, Hideaki Fujiwara, Hirokazu Kataza, Hiroshi Murakami, Misato Fukagawa, Satoshi Takita, Takashi Onaka, Takuya Yamashita

arxiv:1210.0587 v2 · 2012-10-01 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKXKKDQT6NHPUUYCNI5TN7BEM3}

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	2026-05-18T01:54:11.737243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aaea50e13f34efa53026a3b36fc2466fb46e20ee2633c48d691a06b7806119f

Aliases

arxiv: 1210.0587 · arxiv_version: 1210.0587v2 · doi: 10.48550/arxiv.1210.0587 · pith_short_12: TKXKKDQT6NHP · pith_short_16: TKXKKDQT6NHPUUYC · pith_short_8: TKXKKDQT

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/TKXKKDQT6NHPUUYCNI5TN7BEM3 \
  | 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: 9aaea50e13f34efa53026a3b36fc2466fb46e20ee2633c48d691a06b7806119f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31fee7b4890b6384627c53e63e9edf2229eeef47ce74956aa234bfdb4820455b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-10-01T21:33:42Z",
    "title_canon_sha256": "87394875744a6ba4a10608e943836a2c9140836ddc5121b90bd688bcf39e9804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0587",
    "kind": "arxiv",
    "version": 2
  }
}