Pith Number

pith:IBBAKF5Y

pith:2012:IBBAKF5YNLBNA7RB5VJS2TILJW

not attested not anchored not stored refs pending

Modeling optical and UV polarization of AGNs II. Polarization imaging and complex reprocessing

C. M. Gaskell, D. Porquet, F. Marin, M. Dovciak, R. W. Goosmann

arxiv:1209.2915 v1 · 2012-09-13 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBBAKF5YNLBNA7RB5VJS2TILJW}

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	2026-05-18T01:54:29.472360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40420517b86ac2d07e21ed532d4d0b4d8471a234c1aa1309b238c154a7e301fa

Aliases

arxiv: 1209.2915 · arxiv_version: 1209.2915v1 · doi: 10.48550/arxiv.1209.2915 · pith_short_12: IBBAKF5YNLBN · pith_short_16: IBBAKF5YNLBNA7RB · pith_short_8: IBBAKF5Y

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/IBBAKF5YNLBNA7RB5VJS2TILJW \
  | 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: 40420517b86ac2d07e21ed532d4d0b4d8471a234c1aa1309b238c154a7e301fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "869befea7c27ee1fb40579ff3789f0e0724f5a7a7b59116c13aef53d6bba8b30",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-09-13T14:50:03Z",
    "title_canon_sha256": "8dea154343a7a26a9447598aae6d194d1e7c6905ac865655e659f133094bab00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2915",
    "kind": "arxiv",
    "version": 1
  }
}