Pith Number

pith:4LI6VNYS

pith:2014:4LI6VNYS3XT74PULSLXLVGFGMO

not attested not anchored not stored refs pending

An embedded active nucleus in the OH megamaser galaxy IRAS16399-0937

A. Robinson, C. O'Dea, Dinalva A. Sales, D. J. Axon, J. Gallimore, M. Elitzur, P. Kharb, R. L. Curran, R. Mittal, S. Baum

arxiv:1411.1261 v1 · 2014-11-05 · 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{4LI6VNYS3XT74PULSLXLVGFGMO}

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	2026-05-18T01:41:34.897866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d1eab712dde7fe3e8b92eeba98a663b2e6f20e724ae94bf40edbbd0a030687

Aliases

arxiv: 1411.1261 · arxiv_version: 1411.1261v1 · doi: 10.48550/arxiv.1411.1261 · pith_short_12: 4LI6VNYS3XT7 · pith_short_16: 4LI6VNYS3XT74PUL · pith_short_8: 4LI6VNYS

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/4LI6VNYS3XT74PULSLXLVGFGMO \
  | 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: e2d1eab712dde7fe3e8b92eeba98a663b2e6f20e724ae94bf40edbbd0a030687

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5cc2fab4a3033a9a37013a83d77a5c78ecfe6560ed354b8cfad4f8f70242cd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-11-05T13:01:54Z",
    "title_canon_sha256": "f1ebafa763040b6fadb0a97c11c1f88e4655efc703d48ab7848b739fe52b5e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1261",
    "kind": "arxiv",
    "version": 1
  }
}