Pith Number

pith:TC7BNFEA

pith:2019:TC7BNFEALLMPY2UOP4UKTAQ4C6

not attested not anchored not stored refs pending

Evidence of a dynamically evolving Galactic warp

A. Spagna, C. A. L. Bailer-Jones, E. Poggio, M. Fouesneau, M. G. Lattanzi, R. Andrae, R. Drimmel, R. L. Smart

arxiv:1912.10471 v3 · 2019-12-22 · 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{TC7BNFEALLMPY2UOP4UKTAQ4C6}

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	2026-07-05T01:11:11.324767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98be1694805ad8fc6a8e7f28a9821c178de1bf3cd36f0b77dee17d76faf44541

Aliases

arxiv: 1912.10471 · arxiv_version: 1912.10471v3 · doi: 10.48550/arxiv.1912.10471 · pith_short_12: TC7BNFEALLMP · pith_short_16: TC7BNFEALLMPY2UO · pith_short_8: TC7BNFEA

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/TC7BNFEALLMPY2UOP4UKTAQ4C6 \
  | 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: 98be1694805ad8fc6a8e7f28a9821c178de1bf3cd36f0b77dee17d76faf44541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1faad747ac6f07f024a3caa69e9c48fdcc118db9fbaa6fd4549f609507e48793",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-22T16:29:40Z",
    "title_canon_sha256": "7cd7d5a25b9281f5553e828e504c7f049ca92623920d276fcf55c8be50d61e64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10471",
    "kind": "arxiv",
    "version": 3
  }
}