Pith Number

pith:JV7T3MWK

pith:2009:JV7T3MWKMKS3F5UQPRTSJ5Y4AT

not attested not anchored not stored refs pending

Spitzer/IRS 5-35 um Low-Resolution Spectroscopy of the 12 um Seyfert Sample

Jiasheng Huang, Luigi Spinoglio, Silvia Tommasin, Vassilis Charmandaris, Yanling Wu

arxiv:0906.2004 v1 · 2009-06-10 · 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{JV7T3MWKMKS3F5UQPRTSJ5Y4AT}

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	2026-07-04T15:47:24.566930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d7f3db2ca62a5b2f6907c6724f71c04d61bb0b9bcf30aa92146247a5e0449e6

Aliases

arxiv: 0906.2004 · arxiv_version: 0906.2004v1 · doi: 10.48550/arxiv.0906.2004 · pith_short_12: JV7T3MWKMKS3 · pith_short_16: JV7T3MWKMKS3F5UQ · pith_short_8: JV7T3MWK

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/JV7T3MWKMKS3F5UQPRTSJ5Y4AT \
  | 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: 4d7f3db2ca62a5b2f6907c6724f71c04d61bb0b9bcf30aa92146247a5e0449e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb5988b1a458a650187a1b050cc6b92203b08244d9e896e53aaa82bedde20a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-10T20:04:34Z",
    "title_canon_sha256": "ee38bf2aa3d6ef5eda544b6c08709be3ff5dde7fb89793ba49bfa5045881d56c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2004",
    "kind": "arxiv",
    "version": 1
  }
}