Pith Number

pith:DHGVJF5Q

pith:2010:DHGVJF5Q5V3GKCP2PMJHN266EP

not attested not anchored not stored refs pending

Stellar atmosphere parameters with MAx, a MAssive compression of x^2 for spectral fitting

Achim Weiss, Ben Panter, Camilla Juul Hansen, Paula Jofr\'e

arxiv:1001.1223 v3 · 2010-01-08 · astro-ph.GA · 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{DHGVJF5Q5V3GKCP2PMJHN266EP}

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	2026-05-18T02:10:03.845381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19cd5497b0ed766509fa7b1276ebde23f597689c6cb50ab4b6ff07faf5cdb812

Aliases

arxiv: 1001.1223 · arxiv_version: 1001.1223v3 · doi: 10.48550/arxiv.1001.1223 · pith_short_12: DHGVJF5Q5V3G · pith_short_16: DHGVJF5Q5V3GKCP2 · pith_short_8: DHGVJF5Q

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/DHGVJF5Q5V3GKCP2PMJHN266EP \
  | 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: 19cd5497b0ed766509fa7b1276ebde23f597689c6cb50ab4b6ff07faf5cdb812

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4e75acee5566ed8f7511a53ff25287ed6a0fa93ff3706aed11d9fcca0955bf",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-08T14:49:08Z",
    "title_canon_sha256": "0669e4d7f3a5ca79a2d19a7b49b62aa04e387afa00f752d46d871d846f63bbc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1223",
    "kind": "arxiv",
    "version": 3
  }
}