Pith Number

pith:CQERCETN

pith:2012:CQERCETNOIZUUPSBGGIE7UBYWL

not attested not anchored not stored refs pending

Physics of the Galactic Center Cloud G2, on its Way towards the Super-Massive Black Hole

Andreas Burkert, Christian Alig, Frank Eisenhauer, Mark Schartmann, Reinhard Genzel, Stefan Gillessen, Tobias Fritz

arxiv:1201.1414 v1 · 2012-01-06 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQERCETNOIZUUPSBGGIE7UBYWL}

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	2026-05-18T01:58:54.915030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140911126d72334a3e4131904fd038b2fd6a2cab8971c946c9b27f6806d39d02

Aliases

arxiv: 1201.1414 · arxiv_version: 1201.1414v1 · doi: 10.48550/arxiv.1201.1414 · pith_short_12: CQERCETNOIZU · pith_short_16: CQERCETNOIZUUPSB · pith_short_8: CQERCETN

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/CQERCETNOIZUUPSBGGIE7UBYWL \
  | 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: 140911126d72334a3e4131904fd038b2fd6a2cab8971c946c9b27f6806d39d02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1571ad16d2afbc3cf98aab694923acb6249799086425880524aac68971164e24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-06T13:46:15Z",
    "title_canon_sha256": "bf92366374955fe94165badcfb6654060ca3a979fb7e6818b45fd8e0c795a1de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1414",
    "kind": "arxiv",
    "version": 1
  }
}