Pith Number

pith:QFI44KZC

pith:2013:QFI44KZC4CKSVKTERVCRGLIJ3B

not attested not anchored not stored refs pending

Long Term Variability of O VII Line Intensity toward the Lockman Hole Observed with Suzaku from 2006 to 2011

Hiroshi Yoshitake, Kazuhiro Sakai, Kazuhisa Mitsuda, Noriko Y. Yamasaki, Ryo Yamamoto, Yoh Takei

arxiv:1301.5174 v1 · 2013-01-22 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFI44KZC4CKSVKTERVCRGLIJ3B}

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	2026-05-18T01:52:04.725771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8151ce2b22e0952aaa648d45132d09d84f0b444e73966fe78b4c4351c5c97344

Aliases

arxiv: 1301.5174 · arxiv_version: 1301.5174v1 · doi: 10.48550/arxiv.1301.5174 · pith_short_12: QFI44KZC4CKS · pith_short_16: QFI44KZC4CKSVKTE · pith_short_8: QFI44KZC

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/QFI44KZC4CKSVKTERVCRGLIJ3B \
  | 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: 8151ce2b22e0952aaa648d45132d09d84f0b444e73966fe78b4c4351c5c97344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "011d782eb638aedb86a076f7364eb015483a32583d332461e7b59a05cc29cf63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-22T12:59:47Z",
    "title_canon_sha256": "8cafbd4ee43ab7393d43097ccba2e8843710b0962c94cff97c95c989dd3a3b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5174",
    "kind": "arxiv",
    "version": 1
  }
}