Pith Number

pith:WAUEVIDX

pith:2014:WAUEVIDXGD3V456IVNBMYT5CVJ

not attested not anchored not stored refs pending

Measuring Mass Accretion Rate onto the Supermassive Black Hole in M 87 Using Faraday Rotation Measure with the Submillimeter Array

C. Y. Kuo, H. B. Liu, H. Nishioka, H.-Y. Pu, J. C. Algaba, K. Akiyama, K. Asada, M. Inoue, M. Nakamura, N. Pradel, P. M. Koch, P. T. P. Ho, R. Rao, S. Matsushita

arxiv:1402.5238 v1 · 2014-02-21 · 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{WAUEVIDXGD3V456IVNBMYT5CVJ}

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	2026-05-18T02:57:16.381956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0284aa07730f75e77c8ab42cc4fa2aa4ded2a14ea8694d6dd0da095ffabfaf5

Aliases

arxiv: 1402.5238 · arxiv_version: 1402.5238v1 · doi: 10.48550/arxiv.1402.5238 · pith_short_12: WAUEVIDXGD3V · pith_short_16: WAUEVIDXGD3V456I · pith_short_8: WAUEVIDX

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/WAUEVIDXGD3V456IVNBMYT5CVJ \
  | 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: b0284aa07730f75e77c8ab42cc4fa2aa4ded2a14ea8694d6dd0da095ffabfaf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9174d3f86640e52c89ac0ad2a13aa618e1d3f0f1600bc2d9265227175f53dc8a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-21T10:03:42Z",
    "title_canon_sha256": "4136244e053fe0f31edd30eaa8c42f7e7e9c2c49fb7ae6b6753a597f0271a572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5238",
    "kind": "arxiv",
    "version": 1
  }
}