Pith Number

pith:U5535RVW

pith:2016:U5535RVWEUTOESQP7FYUBA3CLK

not attested not anchored not stored refs pending

Radio continuum and X-ray emission from the most extreme FIR-excess galaxy NGC 1377: An extremely obscured AGN revealed

2), (3) IAA-CSIC, (4) University of Cambridge, 5), A. Alberdi (1) ((1) Chalmers University of Technology, A. Lohfink (4), F. Costagliola (1, Italy, M. P\'erez-Torres (3, R. Herrero-Illana (3), S. Aalto (1), S. Muller (1), Spain, Spain), Sweden (2) IRA-INAF, UK (5) Universidad de Zaragoza

arxiv:1607.04068 v1 · 2016-07-14 · 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{U5535RVWEUTOESQP7FYUBA3CLK}

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	2026-05-18T01:01:23.137262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77bbec6b62526e24a0ff9714083625aac3968d383d42f273f1e174b47b5bfff

Aliases

arxiv: 1607.04068 · arxiv_version: 1607.04068v1 · doi: 10.48550/arxiv.1607.04068 · pith_short_12: U5535RVWEUTO · pith_short_16: U5535RVWEUTOESQP · pith_short_8: U5535RVW

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/U5535RVWEUTOESQP7FYUBA3CLK \
  | 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: a77bbec6b62526e24a0ff9714083625aac3968d383d42f273f1e174b47b5bfff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c3877bf17e90156f35975e6d35262659955a0d6e887294cd39872e7c566ea9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-14T10:23:00Z",
    "title_canon_sha256": "b21717aa17759a8466bb65e5d34ebb8232926c3ca38c0a35b5fcb5e1e9a53b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04068",
    "kind": "arxiv",
    "version": 1
  }
}