Pith Number

pith:NZ2RO3VB

pith:2012:NZ2RO3VBNDPKNEREBKQN4VG53Y

not attested not anchored not stored refs pending

Properties of Galactic early-type O-supergiants: A combined FUV-UV and optical analysis

A. W. Fullerton, D. J. Hillier, J.-C. Bouret, T. Lanz

arxiv:1205.3075 v1 · 2012-05-14 · 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{NZ2RO3VBNDPKNEREBKQN4VG53Y}

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	2026-05-18T01:57:32.476364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e75176ea168dea692240aa0de54ddde151c550edf06f7ccf2147839297e4ccd

Aliases

arxiv: 1205.3075 · arxiv_version: 1205.3075v1 · doi: 10.48550/arxiv.1205.3075 · pith_short_12: NZ2RO3VBNDPK · pith_short_16: NZ2RO3VBNDPKNERE · pith_short_8: NZ2RO3VB

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/NZ2RO3VBNDPKNEREBKQN4VG53Y \
  | 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: 6e75176ea168dea692240aa0de54ddde151c550edf06f7ccf2147839297e4ccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37080be00c0df043b1d89aad798ec6f5904a0766c7f665c51ad69ed69194fd10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-14T16:10:41Z",
    "title_canon_sha256": "faa74c41eaddb89f84f509d8060266a04fdd891755375ace0eebb552cbbb8735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3075",
    "kind": "arxiv",
    "version": 1
  }
}