Pith Number

pith:ETRQ5FUG

pith:2009:ETRQ5FUGZ5CLKSM6HFLR2DNYAC

not attested not anchored not stored refs pending

Searching for a link between the magnetic nature and other observed properties of Herbig Ae/Be stars and stars with debris disks

B. Stelzer, C. Grady, K. Hamaguchi, M.A. Pogodin, M. Cure, M. Schoeller, O. Schuetz, R.V. Yudin, S. Hubrig

arxiv:0905.0864 v2 · 2009-05-06 · 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{ETRQ5FUGZ5CLKSM6HFLR2DNYAC}

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	2026-05-18T02:13:47.075790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e30e9686cf44b5499e39571d0db8008a5c59a8695b54450c7cb5861f0a5ff3

Aliases

arxiv: 0905.0864 · arxiv_version: 0905.0864v2 · doi: 10.48550/arxiv.0905.0864 · pith_short_12: ETRQ5FUGZ5CL · pith_short_16: ETRQ5FUGZ5CLKSM6 · pith_short_8: ETRQ5FUG

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/ETRQ5FUGZ5CLKSM6HFLR2DNYAC \
  | 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: 24e30e9686cf44b5499e39571d0db8008a5c59a8695b54450c7cb5861f0a5ff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bb955a72c248ab75a1005e3cd314beb48db016b4dc02f7620734396ab7a2fd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-06T16:19:20Z",
    "title_canon_sha256": "c53adc35992c61e23e6b7562c482ed7646d46a4ae83d7886fa7ad3190da4cd69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0864",
    "kind": "arxiv",
    "version": 2
  }
}