Pith Number

pith:CEKR3IOC

pith:2015:CEKR3IOCX64EQZBG2K362JD7NL

not attested not anchored not stored refs pending

The Abundance of X-Shaped Radio Sources I. VLA Survey of 52 Sources With Off-Axis Distortions

David H. Roberts, Jake P. Cohen, Jing Lu, Lakshmi Saripalli, Ravi Subrahmanyan

arxiv:1503.02017 v3 · 2015-03-06 · 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{CEKR3IOCX64EQZBG2K362JD7NL}

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	2026-05-18T01:33:06.156275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11151da1c2bfb8486426d2b7ed247f6ad647703a4027330e1d19baa12f321fd6

Aliases

arxiv: 1503.02017 · arxiv_version: 1503.02017v3 · doi: 10.48550/arxiv.1503.02017 · pith_short_12: CEKR3IOCX64E · pith_short_16: CEKR3IOCX64EQZBG · pith_short_8: CEKR3IOC

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/CEKR3IOCX64EQZBG2K362JD7NL \
  | 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: 11151da1c2bfb8486426d2b7ed247f6ad647703a4027330e1d19baa12f321fd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da255619e484eb7e14aa03d04c8ca9868130b756d29985738dc4eb38f9399087",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-06T17:11:17Z",
    "title_canon_sha256": "317bc328dab94b98c27d099b5f251fde2c5c139b0d65022b42f00213d2e1fb26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02017",
    "kind": "arxiv",
    "version": 3
  }
}