Pith Number

pith:YCM4LANJ

pith:2009:YCM4LANJA4DRZQS2XSRTITHRFO

not attested not anchored not stored refs pending

Advanced optimal extraction for the Spitzer/IRS

D.J. Barry, G.C. Sloan, J. Bernard-Salas, V. Lebouteiller

arxiv:0910.1846 v3 · 2009-10-09 · astro-ph.IM · astro-ph.CO · 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{YCM4LANJA4DRZQS2XSRTITHRFO}

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	2026-05-18T02:11:24.974759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c099c581a907071cc25abca3344cf12b991a91495b3befb863fe4ba97b54c08b

Aliases

arxiv: 0910.1846 · arxiv_version: 0910.1846v3 · doi: 10.48550/arxiv.0910.1846 · pith_short_12: YCM4LANJA4DR · pith_short_16: YCM4LANJA4DRZQS2 · pith_short_8: YCM4LANJ

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/YCM4LANJA4DRZQS2XSRTITHRFO \
  | 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: c099c581a907071cc25abca3344cf12b991a91495b3befb863fe4ba97b54c08b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f0f66fa4ad77a0efb583db4aeb11e2ae3daddea7a714ff748505a4ab18142ec",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-10-09T20:13:02Z",
    "title_canon_sha256": "d6c2a3709e83a65044b3f5f428fc26ea9d30becbf1c5e02a08c14d104baa2ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1846",
    "kind": "arxiv",
    "version": 3
  }
}