Pith Number

pith:YIPOGZPP

pith:2019:YIPOGZPPI7H7NHZV3FZSPAFZH7

not attested not anchored not stored refs pending

Bow shocks, bow waves, and dust waves. II. Beyond the rip point

S. J. Arthur, William J. Henney

arxiv:1903.07774 v2 · 2019-03-19 · astro-ph.SR · 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{YIPOGZPPI7H7NHZV3FZSPAFZH7}

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	2026-05-17T23:47:16.751226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c21ee365ef47cff69f35d9732780b93fed3399378b349386d12657730a1a8a6e

Aliases

arxiv: 1903.07774 · arxiv_version: 1903.07774v2 · doi: 10.48550/arxiv.1903.07774 · pith_short_12: YIPOGZPPI7H7 · pith_short_16: YIPOGZPPI7H7NHZV · pith_short_8: YIPOGZPP

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/YIPOGZPPI7H7NHZV3FZSPAFZH7 \
  | 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: c21ee365ef47cff69f35d9732780b93fed3399378b349386d12657730a1a8a6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0760702bcce082795f305e0abe9b4aabd980cd8678ce318246998fa1abb4d08f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-19T00:03:23Z",
    "title_canon_sha256": "9cbb88672cdfa6eca139bbbc85444d81a3e93620939c8c5dcc8adc7a8355abbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07774",
    "kind": "arxiv",
    "version": 2
  }
}