Pith Number

pith:KTVYMMIH

pith:2009:KTVYMMIH7HZ2HXINCBZKSC7TPU

not attested not anchored not stored refs pending

X-ray vs. water maser emission in AGN

A. Tilak, C. Henkel, J. Tueller, L. Greenhill, M. Kadler, P. Castangia

arxiv:0912.2515 v1 · 2009-12-14 · 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{KTVYMMIH7HZ2HXINCBZKSC7TPU}

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	2026-05-18T02:10:24.058092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54eb863107f9f3a3dd0d1072a90bf37d3fdf201fe72218ef58b5e49b608c243b

Aliases

arxiv: 0912.2515 · arxiv_version: 0912.2515v1 · doi: 10.48550/arxiv.0912.2515 · pith_short_12: KTVYMMIH7HZ2 · pith_short_16: KTVYMMIH7HZ2HXIN · pith_short_8: KTVYMMIH

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/KTVYMMIH7HZ2HXINCBZKSC7TPU \
  | 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: 54eb863107f9f3a3dd0d1072a90bf37d3fdf201fe72218ef58b5e49b608c243b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "588338d6fec77b0afecc8beb649e9a04db749c98ab13cefb3e36ea2a7b354124",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-14T16:35:22Z",
    "title_canon_sha256": "7ccb4724b6c33a53eb437559ff8bbd819d2b359e75a650bf78be817acc770f77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2515",
    "kind": "arxiv",
    "version": 1
  }
}