Pith Number

pith:A4LAMVHM

pith:2010:A4LAMVHMKSKTXOKZBXZGU442W5

not attested not anchored not stored refs pending

Bridging Model and Observed Stellar Spectra

Carlos Allende Prieto

arxiv:1009.3519 v1 · 2010-09-17 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4LAMVHMKSKTXOKZBXZGU442W5}

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	2026-05-18T02:05:21.964973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07160654ec54953bb9590df26a739ab74e1a7c1499cd53022ca0545cda2a6af6

Aliases

arxiv: 1009.3519 · arxiv_version: 1009.3519v1 · doi: 10.48550/arxiv.1009.3519 · pith_short_12: A4LAMVHMKSKT · pith_short_16: A4LAMVHMKSKTXOKZ · pith_short_8: A4LAMVHM

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/A4LAMVHMKSKTXOKZBXZGU442W5 \
  | 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: 07160654ec54953bb9590df26a739ab74e1a7c1499cd53022ca0545cda2a6af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c9f9e458c93a24d8a6cfc5a2a69af9e47c6ba27665620c2568afbdbd6d0bd1f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-17T22:49:59Z",
    "title_canon_sha256": "e9ec02d91912500c5da24d9369cdb1c722cbd1bbf545cc83134f1e691df3d038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3519",
    "kind": "arxiv",
    "version": 1
  }
}