Pith Number

pith:F55XBNYK

pith:2011:F55XBNYKLIXVUXWLGHJS6Y7CCU

not attested not anchored not stored refs pending

Probing the unified model in NGC 7314

B. De Marco, E. Costantini, J. Ebrero, J. S. Kaastra, M. Dadina

arxiv:1109.1660 v1 · 2011-09-08 · 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{F55XBNYKLIXVUXWLGHJS6Y7CCU}

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	2026-05-18T02:00:38.021696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7b70b70a5a2f5a5ecb31d32f63e215144ab0398503cdaf77e281f0378ce62b

Aliases

arxiv: 1109.1660 · arxiv_version: 1109.1660v1 · doi: 10.48550/arxiv.1109.1660 · pith_short_12: F55XBNYKLIXV · pith_short_16: F55XBNYKLIXVUXWL · pith_short_8: F55XBNYK

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/F55XBNYKLIXVUXWLGHJS6Y7CCU \
  | 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: 2f7b70b70a5a2f5a5ecb31d32f63e215144ab0398503cdaf77e281f0378ce62b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df5284978d818fdc9c2bb32d54930cb632fd97c1962ebe39df2917fe3353f57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-08T08:46:50Z",
    "title_canon_sha256": "6e5669e683afc5c81ed184b33f0e3407ae74231193aa34c6e5bb6887f79ce8fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1660",
    "kind": "arxiv",
    "version": 1
  }
}