Pith Number

pith:7SOIQX2C

pith:2018:7SOIQX2CHJVIGV6ZA6KDNA7472

not attested not anchored not stored refs pending

Emergence of the Gaia Phase Space Spirals from Bending Waves

Keir Darling, Lawrence M. Widrow

arxiv:1807.11516 v2 · 2018-07-30 · 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{7SOIQX2CHJVIGV6ZA6KDNA7472}

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	2026-05-17T23:57:15.007933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc9c885f423a6a8357d907943683fcfebed526613cdea6f85b13c8dafcab987c

Aliases

arxiv: 1807.11516 · arxiv_version: 1807.11516v2 · doi: 10.48550/arxiv.1807.11516 · pith_short_12: 7SOIQX2CHJVI · pith_short_16: 7SOIQX2CHJVIGV6Z · pith_short_8: 7SOIQX2C

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/7SOIQX2CHJVIGV6ZA6KDNA7472 \
  | 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: fc9c885f423a6a8357d907943683fcfebed526613cdea6f85b13c8dafcab987c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ebcefa6af4078845b937237a2372598f67f8b5792e7dee19e9adedcff01324d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-30T18:17:20Z",
    "title_canon_sha256": "c22ce945577d6951f6d6212f37c0e4f476f1dbf1bef7c0fc556ccaa70c54e0c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11516",
    "kind": "arxiv",
    "version": 2
  }
}