Pith Number

pith:U3CTFJC2

pith:2011:U3CTFJC2K2JMZWFQKQQ7I4ZDY2

not attested not anchored not stored refs pending

Synthetic Spectra of Radio, Millimeter, Sub-millimeter and Infrared Regimes with NLTE approximation

Alejandro Lara, Jean-Pierre Raulin, Victor De la Luz

arxiv:1107.3175 v1 · 2011-07-15 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3CTFJC2K2JMZWFQKQQ7I4ZDY2}

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	2026-05-18T04:17:14.667347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c532a45a5692ccd8b05421f47323c680c215dfd94db5ccac056f0f9a01bde0

Aliases

arxiv: 1107.3175 · arxiv_version: 1107.3175v1 · doi: 10.48550/arxiv.1107.3175 · pith_short_12: U3CTFJC2K2JM · pith_short_16: U3CTFJC2K2JMZWFQ · pith_short_8: U3CTFJC2

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/U3CTFJC2K2JMZWFQKQQ7I4ZDY2 \
  | 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: a6c532a45a5692ccd8b05421f47323c680c215dfd94db5ccac056f0f9a01bde0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2145bac2a60092f1d7a195348b1bf4ad4cb88f9991bf215aae9b5099c582f0c",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-15T22:46:23Z",
    "title_canon_sha256": "1def3da89c3dcaf7e7aee56a388e1a0e865dbcc0ea4c0ced43682a20814f12c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3175",
    "kind": "arxiv",
    "version": 1
  }
}