Pith Number

pith:Y56AXRJA

pith:2010:Y56AXRJASNIRUTJHBMFUIIMDXJ

not attested not anchored not stored refs pending

Rapid Intrinsic Variability of Sgr A* at Radio Wavelengths

D. Porquet, D. Roberts, F. Yusef-Zadeh, J. Miller-Jones, M. Wardle, N. Grosso

arxiv:1008.2229 v2 · 2010-08-12 · 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{Y56AXRJASNIRUTJHBMFUIIMDXJ}

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	2026-05-18T02:05:48.750060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c77c0bc52093511a4d270b0b442183ba72508d9d8e0867259a58dd6cf43eadea

Aliases

arxiv: 1008.2229 · arxiv_version: 1008.2229v2 · doi: 10.48550/arxiv.1008.2229 · pith_short_12: Y56AXRJASNIR · pith_short_16: Y56AXRJASNIRUTJH · pith_short_8: Y56AXRJA

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/Y56AXRJASNIRUTJHBMFUIIMDXJ \
  | 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: c77c0bc52093511a4d270b0b442183ba72508d9d8e0867259a58dd6cf43eadea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0fe88b89dfb1b8dabd8ac402af0b96d2b87050af7646da965765c10b73781ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-12T23:02:48Z",
    "title_canon_sha256": "650525e9707b1c128b0d7d0ca66a2282e27a1b54123b280047dbaae62057420a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2229",
    "kind": "arxiv",
    "version": 2
  }
}