Pith Number

pith:WTEUXHLD

pith:2015:WTEUXHLDJCA5MN52BWPC6SWLZ7

not attested not anchored not stored refs pending

Wisps in the Galactic center: NIR triggered observations of the radio source Sgr A* at 43 GHz

A. Eckart, B. Shahzamanian, C. Rauch, E. Ros, J. A. Zensus, K. Muzic, T. P. Krichbaum

arxiv:1512.07509 v2 · 2015-12-23 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTEUXHLDJCA5MN52BWPC6SWLZ7}

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	2026-05-18T01:20:32.539126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c94b9d634881d637ba0d9e2f4acbcfda0f0de87e5d08ff72db6719324c59a2

Aliases

arxiv: 1512.07509 · arxiv_version: 1512.07509v2 · doi: 10.48550/arxiv.1512.07509 · pith_short_12: WTEUXHLDJCA5 · pith_short_16: WTEUXHLDJCA5MN52 · pith_short_8: WTEUXHLD

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/WTEUXHLDJCA5MN52BWPC6SWLZ7 \
  | 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: b4c94b9d634881d637ba0d9e2f4acbcfda0f0de87e5d08ff72db6719324c59a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e09abaabe09ad592878c5d6029c6d70d33f030bda7af3b55df8928e43ebea044",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-23T15:09:15Z",
    "title_canon_sha256": "85c547dd6db9b106e3ef4ca55c9190567e0386e3d35fa54dccb65e7e14383da8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07509",
    "kind": "arxiv",
    "version": 2
  }
}