Pith Number

pith:SKQMWQFC

pith:2013:SKQMWQFCOJY5HSFSYZXCOULJQV

not attested not anchored not stored refs pending

Two semi-automated computational approaches for spectroscopic analysis of stellar photospheres: detailed characterization at high resolution and abundance determination at medium resolution

Andre Milone, Anne Sansom, Patricia Sanchez-Blazquez, Ronaldo Da Silva

arxiv:1309.0548 v1 · 2013-09-02 · 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{SKQMWQFCOJY5HSFSYZXCOULJQV}

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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	2026-05-18T03:14:18.727201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a0cb40a27271d3c8b2c66e275169857f6c90edb55cfaca8205418a40b755fb

Aliases

arxiv: 1309.0548 · arxiv_version: 1309.0548v1 · doi: 10.48550/arxiv.1309.0548 · pith_short_12: SKQMWQFCOJY5 · pith_short_16: SKQMWQFCOJY5HSFS · pith_short_8: SKQMWQFC

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/SKQMWQFCOJY5HSFSYZXCOULJQV \
  | 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: 92a0cb40a27271d3c8b2c66e275169857f6c90edb55cfaca8205418a40b755fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af5b3c9ff89cb2115c5a4eff9e11a19f36483c831d42f2c5f83e234d62e14a7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-02T21:21:19Z",
    "title_canon_sha256": "5054f79e6df58f45d5e76aed5e5c64e301a5b914e98ed717dcf2933fe1fdd737"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0548",
    "kind": "arxiv",
    "version": 1
  }
}