Pith Number

pith:XIII4Z4I

pith:2010:XIII4Z4ILH5LBTMHCQYVFS22CW

not attested not anchored not stored refs pending

Occultation of the Quiescent Emission from Sgr A* by IR Flares

C. D. Dowell, D. A. Roberts, F. Yusef-Zadeh, H. Bushouse, M. Wardle

arxiv:1010.1308 v1 · 2010-10-07 · 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{XIII4Z4ILH5LBTMHCQYVFS22CW}

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	2026-05-18T02:05:10.247538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba108e678859fab0cd87143152cb5a15b58cf37afe20e25504226a50b6431f41

Aliases

arxiv: 1010.1308 · arxiv_version: 1010.1308v1 · doi: 10.48550/arxiv.1010.1308 · pith_short_12: XIII4Z4ILH5L · pith_short_16: XIII4Z4ILH5LBTMH · pith_short_8: XIII4Z4I

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/XIII4Z4ILH5LBTMHCQYVFS22CW \
  | 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: ba108e678859fab0cd87143152cb5a15b58cf37afe20e25504226a50b6431f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec90e4e35481020fd374f746f080dca9935bc745852a99d3e6ee287b865df313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-10-07T00:37:40Z",
    "title_canon_sha256": "851769439fa7565016e48ddd6f7d98927246af632916c659ae1b4796d181a649"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1308",
    "kind": "arxiv",
    "version": 1
  }
}