Pith Number

pith:HLI54X7Y

pith:2009:HLI54X7YXJTJDCD2PZ3OXNSIPR

not attested not anchored not stored refs pending

Magnetic Fields of Agns and Standard Accretion Disk Model: Testing by Optical Polarimetry

M.Yu. Piotrovich, N.A. Silant'ev, T.M. Natsvlishvili, Yu.N. Gnedin

arxiv:0909.1207 v1 · 2009-09-07 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLI54X7YXJTJDCD2PZ3OXNSIPR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:11:59.124665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ad1de5ff8ba6691887a7e76ebb6487c57d6b770defedcfdb08cc7edb9cfb70d

Aliases

arxiv: 0909.1207 · arxiv_version: 0909.1207v1 · doi: 10.48550/arxiv.0909.1207 · pith_short_12: HLI54X7YXJTJ · pith_short_16: HLI54X7YXJTJDCD2 · pith_short_8: HLI54X7Y

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/HLI54X7YXJTJDCD2PZ3OXNSIPR \
  | 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: 3ad1de5ff8ba6691887a7e76ebb6487c57d6b770defedcfdb08cc7edb9cfb70d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "342d234c839857c81a50ae2f4b3710545eef7b95471765c22e2f2e9b5f329690",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-07T10:36:40Z",
    "title_canon_sha256": "2135d8b4a81e10655a531c92f78b12a63e867fbea8f41f2fb17931182396e789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1207",
    "kind": "arxiv",
    "version": 1
  }
}