Pith Number

pith:SF4QMDKX

pith:2013:SF4QMDKXS4GJ4G2FYKZKBOGATD

not attested not anchored not stored refs pending

The Effective Temperatures of O-type Stars from UV spectroscopy

Luciana Bianchi, Miriam Garcia

arxiv:1308.3120 v1 · 2013-08-14 · 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{SF4QMDKXS4GJ4G2FYKZKBOGATD}

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	2026-05-18T03:15:56.577499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9179060d57970c9e1b45c2b2a0b8c098e75d379ab854e34ac6c4df415e829cc9

Aliases

arxiv: 1308.3120 · arxiv_version: 1308.3120v1 · doi: 10.48550/arxiv.1308.3120 · pith_short_12: SF4QMDKXS4GJ · pith_short_16: SF4QMDKXS4GJ4G2F · pith_short_8: SF4QMDKX

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/SF4QMDKXS4GJ4G2FYKZKBOGATD \
  | 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: 9179060d57970c9e1b45c2b2a0b8c098e75d379ab854e34ac6c4df415e829cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a36d06e0d81c85e45d0b05f0a63e268494205d8d0d4f7e5eb256ce5c3793c9f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-14T13:38:53Z",
    "title_canon_sha256": "4705d43ba7034862d14cd19ccdff7fee8795214a07cad5e821ea04b3b8d2e999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3120",
    "kind": "arxiv",
    "version": 1
  }
}