Pith Number

pith:TWU25DJW

pith:2015:TWU25DJWZSH66RQ5RQOD57DISP

not attested not anchored not stored refs pending

Absolute Calibration of the Radio Astronomy Flux Density Scale at 22 to 43 GHz Using Planck

A. Zacchei, B. J. Butler, B. Partridge, B. Walter, G. Rocha, J. Stevens, M. L\'opez-Caniego, R. A. Perley

arxiv:1506.02892 v2 · 2015-06-09 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWU25DJWZSH66RQ5RQOD57DISP}

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	2026-05-18T01:16:18.667295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9da9ae8d36cc8fef461d8c1c3efc6893caa7ff0608bc1fa9619fc676f671e897

Aliases

arxiv: 1506.02892 · arxiv_version: 1506.02892v2 · doi: 10.48550/arxiv.1506.02892 · pith_short_12: TWU25DJWZSH6 · pith_short_16: TWU25DJWZSH66RQ5 · pith_short_8: TWU25DJW

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/TWU25DJWZSH66RQ5RQOD57DISP \
  | 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: 9da9ae8d36cc8fef461d8c1c3efc6893caa7ff0608bc1fa9619fc676f671e897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f4ccb3649ef0b50d12ede8c40f75d4c298352be0662d1b7f07a1beb6674c271",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-06-09T13:09:14Z",
    "title_canon_sha256": "a9d1b1196fbf0cb09ac4b5902eec06017feadc32503293048e30853c1189db04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02892",
    "kind": "arxiv",
    "version": 2
  }
}