Pith Number

pith:W6NB3COG

pith:2013:W6NB3COGZ5FHJGIC4JRXERR6KK

not attested not anchored not stored refs pending

HARPS spectropolarimetry of O and B-type stars

G. Lo Curto, I. Ilyin, M. Schoeller, S. Hubrig

arxiv:1309.5499 v1 · 2013-09-21 · 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{W6NB3COGZ5FHJGIC4JRXERR6KK}

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	2026-05-18T03:12:36.182015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b79a1d89c6cf4a749902e26372463e5296a321e9bd744fad274e7ec917ef1ca6

Aliases

arxiv: 1309.5499 · arxiv_version: 1309.5499v1 · doi: 10.48550/arxiv.1309.5499 · pith_short_12: W6NB3COGZ5FH · pith_short_16: W6NB3COGZ5FHJGIC · pith_short_8: W6NB3COG

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/W6NB3COGZ5FHJGIC4JRXERR6KK \
  | 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: b79a1d89c6cf4a749902e26372463e5296a321e9bd744fad274e7ec917ef1ca6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e63c378c307128095e32447e3df2a5505c15095decdbe61879d71da793c782c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-21T16:48:06Z",
    "title_canon_sha256": "665aec33b6367d909a781632c154d67f5b160edfa560ac0df6786e77d61d2b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5499",
    "kind": "arxiv",
    "version": 1
  }
}