Pith Number

pith:K25GFI6N

pith:2016:K25GFI6NQHJTVTQF4GC7AHUBNE

not attested not anchored not stored refs pending

High-velocity OH megamasers in IRAS 20100-4156: Evidence for a Supermassive Black Hole

A. Chippendale, A.W. Hotan, C.P. Phillips, D. McConnell, E. Lenc, I. Heywood, J.A. Green, J. Marvil, J.R. Allison, J. Stevens, K.W. Bannister, L. Harvey-Smith, M. Voronkov, M. Whiting, P.G. Edwards, P. Serra, R.J. Sault

arxiv:1604.07537 v1 · 2016-04-26 · 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{K25GFI6NQHJTVTQF4GC7AHUBNE}

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	2026-05-18T01:13:47.531421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56ba62a3cd81d33ace05e185f01e816908d11bdbdf539fadca441cbb2c712178

Aliases

arxiv: 1604.07537 · arxiv_version: 1604.07537v1 · doi: 10.48550/arxiv.1604.07537 · pith_short_12: K25GFI6NQHJT · pith_short_16: K25GFI6NQHJTVTQF · pith_short_8: K25GFI6N

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/K25GFI6NQHJTVTQF4GC7AHUBNE \
  | 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: 56ba62a3cd81d33ace05e185f01e816908d11bdbdf539fadca441cbb2c712178

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4506364cfef6d432d6591e2da4c83a6f3bbfafcb9f5f36f2a4060ebd18e2273",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-26T06:27:12Z",
    "title_canon_sha256": "f9bf8b1e57c0aa39981393d85c2864516fa623548bcbcd3cf380736f8a5fe3c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07537",
    "kind": "arxiv",
    "version": 1
  }
}