Pith Number

pith:UFSQD3CY

pith:2015:UFSQD3CYCFPVMXPPHQRZEVLA4W

not attested not anchored not stored refs pending

Tomography of the Galactic free electron density with the Square Kilometer Array

Dominic H.F.M. Schnitzeler, Maksim Greiner, Torsten A. Ensslin

arxiv:1512.03480 v1 · 2015-12-10 · 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{UFSQD3CYCFPVMXPPHQRZEVLA4W}

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	2026-05-18T01:15:14.541341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a16501ec58115f565def3c23925560e5b2f61344e527764993ff462d8e74a073

Aliases

arxiv: 1512.03480 · arxiv_version: 1512.03480v1 · doi: 10.48550/arxiv.1512.03480 · pith_short_12: UFSQD3CYCFPV · pith_short_16: UFSQD3CYCFPVMXPP · pith_short_8: UFSQD3CY

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/UFSQD3CYCFPVMXPPHQRZEVLA4W \
  | 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: a16501ec58115f565def3c23925560e5b2f61344e527764993ff462d8e74a073

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36c4205770f739c05c6bb627a67dd25e8db4c19c4426a417d17ba78e20eeecd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-10T22:58:15Z",
    "title_canon_sha256": "4ca6dade2d15e5e5c26b7ec1a0720b3c7caef7716c32b7b55e7fb567488d7325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03480",
    "kind": "arxiv",
    "version": 1
  }
}