Pith Number

pith:TFPREBMM

pith:2009:TFPREBMMRMHTAH3G47TL3ARRAU

not attested not anchored not stored refs pending

A QSO host galaxy and its Lyalpha emission at z=6.43

Hisanori Furusawa, Satoshi Miyazaki, Tomotsugu Goto (ifa, University of Hawaii), Yousuke Utsumi, Yutaka Komiyama (NAOJ)

arxiv:0908.4079 v1 · 2009-08-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFPREBMMRMHTAH3G47TL3ARRAU}

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	2026-05-18T02:12:21.999069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995f12058c8b0f301f66e7e6bd8231053f8a3b1d2e5f80a82d357c43f1bf0cc2

Aliases

arxiv: 0908.4079 · arxiv_version: 0908.4079v1 · doi: 10.48550/arxiv.0908.4079 · pith_short_12: TFPREBMMRMHT · pith_short_16: TFPREBMMRMHTAH3G · pith_short_8: TFPREBMM

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/TFPREBMMRMHTAH3G47TL3ARRAU \
  | 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: 995f12058c8b0f301f66e7e6bd8231053f8a3b1d2e5f80a82d357c43f1bf0cc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e99bb4d24ea0defb4d923b442d73cc28a47d8d42708e750d6448df89148eb99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-27T20:00:13Z",
    "title_canon_sha256": "4fe626df181189a5ead0f735d079a0085956d7577435ab9e3cbf3a1aa73ead2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4079",
    "kind": "arxiv",
    "version": 1
  }
}