Pith Number

pith:H4CL5GBG

pith:2007:H4CL5GBGGMTIXMKG33B5Q5CKJP

not attested not anchored not stored refs pending

AGN Obscuring Tori Supported by Infrared Radiation Pressure

Julian H. Krolik

arxiv:astro-ph/0702396 v1 · 2007-02-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4CL5GBGGMTIXMKG33B5Q5CKJP}

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	2026-05-18T04:29:06.505491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f04be982633268bb146dec3d8744a4bda9c4e01bd1f2b37d75e7eea5c7a161d

Aliases

arxiv: astro-ph/0702396 · arxiv_version: astro-ph/0702396v1 · doi: 10.48550/arxiv.astro-ph/0702396 · pith_short_12: H4CL5GBGGMTI · pith_short_16: H4CL5GBGGMTIXMKG · pith_short_8: H4CL5GBG

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/H4CL5GBGGMTIXMKG33B5Q5CKJP \
  | 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: 3f04be982633268bb146dec3d8744a4bda9c4e01bd1f2b37d75e7eea5c7a161d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5a551425689ef4fb9f112a06d4a9c07303a8702e0939888efd5685bce320c95",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-14T22:08:49Z",
    "title_canon_sha256": "96d75489d7736d40f6fdac5760c617a87532395ab106e6b96a6d477ff0b8d4c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702396",
    "kind": "arxiv",
    "version": 1
  }
}