Pith Number

pith:EAS77PNP

pith:2011:EAS77PNPSTZCYBZV72QOEYR7EH

not attested not anchored not stored refs pending

An Occultation Event in Centaurus A and the Clumpy Torus Model

Alex Markowitz, Elizabeth Rivers, Richard Rothschild

arxiv:1110.0047 v1 · 2011-09-30 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAS77PNPSTZCYBZV72QOEYR7EH}

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	2026-05-18T02:00:20.718137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2025ffbdaf94f22c0735fea0e2623f21d131420920bcfc33c9b7ac3df628cb65

Aliases

arxiv: 1110.0047 · arxiv_version: 1110.0047v1 · doi: 10.48550/arxiv.1110.0047 · pith_short_12: EAS77PNPSTZC · pith_short_16: EAS77PNPSTZCYBZV · pith_short_8: EAS77PNP

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/EAS77PNPSTZCYBZV72QOEYR7EH \
  | 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: 2025ffbdaf94f22c0735fea0e2623f21d131420920bcfc33c9b7ac3df628cb65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48c062ee6ad91d330f86f1e9e83221e9792a4f01f8a521a8bae326b2152f338a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-09-30T22:59:28Z",
    "title_canon_sha256": "f42a024602d8f2b68f9646ce6b29ef8be473a900a7a7bb2d9562b3ac6bd4d6e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0047",
    "kind": "arxiv",
    "version": 1
  }
}