Pith Number

pith:2PTULWMK

pith:2010:2PTULWMKDJRFCE5A5ERODHCT7A

not attested not anchored not stored refs pending

The IACOB spectroscopic database of Northern Galactic OB stars

A. Herrero, M. Garcia, N. Castro, N. Markova, S. Sim\'on-D\'iaz

arxiv:1009.5824 v1 · 2010-09-29 · 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{2PTULWMKDJRFCE5A5ERODHCT7A}

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	2026-05-18T04:40:08.827361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e745d98a1a625113a0e922e19c53f83bbcfd854b0b57a3f0720b3e21b368cf

Aliases

arxiv: 1009.5824 · arxiv_version: 1009.5824v1 · doi: 10.48550/arxiv.1009.5824 · pith_short_12: 2PTULWMKDJRF · pith_short_16: 2PTULWMKDJRFCE5A · pith_short_8: 2PTULWMK

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/2PTULWMKDJRFCE5A5ERODHCT7A \
  | 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: d3e745d98a1a625113a0e922e19c53f83bbcfd854b0b57a3f0720b3e21b368cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b94b74772f64c2dcfcc499ce59634ab3dd4ff29312150b4fc85879091e19e3d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-29T09:59:25Z",
    "title_canon_sha256": "ea4ede0ca6321f8e8408b594f347af40bfb76c1133fca5481c3816931f056e52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5824",
    "kind": "arxiv",
    "version": 1
  }
}