Pith Number

pith:CWJR23NR

pith:2015:CWJR23NRUCCVBI6NT5AUSMNCYJ

not attested not anchored not stored refs pending

Synthetic HI observations of spiral structure in the outer disk in galaxies

G. Bertin, S. A. Khoperskov

arxiv:1511.06299 v1 · 2015-11-19 · 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{CWJR23NRUCCVBI6NT5AUSMNCYJ}

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	2026-05-18T01:24:15.980171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15931d6db1a08550a3cd9f414931a2c260db902c670cf75659fc78b9b7a3bd3d

Aliases

arxiv: 1511.06299 · arxiv_version: 1511.06299v1 · doi: 10.48550/arxiv.1511.06299 · pith_short_12: CWJR23NRUCCV · pith_short_16: CWJR23NRUCCVBI6N · pith_short_8: CWJR23NR

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/CWJR23NRUCCVBI6NT5AUSMNCYJ \
  | 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: 15931d6db1a08550a3cd9f414931a2c260db902c670cf75659fc78b9b7a3bd3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec01bf6633ab9ba909069a63f59260de8401cbbfc61e61a2ac491958fec5ede8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-19T18:42:52Z",
    "title_canon_sha256": "1aa1caecd3c17ebda7071118458b6c92fd88a1a728cd343cb2bbb496e54b4cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06299",
    "kind": "arxiv",
    "version": 1
  }
}