Pith Number

pith:XP5A2HVU

pith:2015:XP5A2HVUGQY6QIE3KI6VRT7PY4

not attested not anchored not stored refs pending

A precessing molecular jet signaling an obscured, growing supermassive black hole in NGC1377?

A. S. Evans, F. Combes, F. Costagliola, J. Kotilainen, J. S. Gallagher, K. Dasyra, K. Sakamoto, K. Wada, L. Kristensen, P. van der Werf, S. Aalto, S.Garc\'ia-Burillo, S. Mart\'in, S. Muller

arxiv:1510.08827 v2 · 2015-10-29 · 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{XP5A2HVUGQY6QIE3KI6VRT7PY4}

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	2026-05-18T01:14:02.733947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbfa0d1eb43431e8209b523d58cfefc705b72701d9c64fbdd69de7308c7b6d16

Aliases

arxiv: 1510.08827 · arxiv_version: 1510.08827v2 · doi: 10.48550/arxiv.1510.08827 · pith_short_12: XP5A2HVUGQY6 · pith_short_16: XP5A2HVUGQY6QIE3 · pith_short_8: XP5A2HVU

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/XP5A2HVUGQY6QIE3KI6VRT7PY4 \
  | 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: bbfa0d1eb43431e8209b523d58cfefc705b72701d9c64fbdd69de7308c7b6d16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "323a332062d3138f2d6e44cb34bcd709cdc585435d5c8e7121ec97def1bb7d72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-29T19:21:55Z",
    "title_canon_sha256": "8c746122b5dce38c73b7bd68c7e15a9c0f779d03d1aa25affb9f47d73c0c089a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08827",
    "kind": "arxiv",
    "version": 2
  }
}