Pith Number

pith:VCPKYV4Q

pith:2026:VCPKYV4QHZPIOGJYJ65OCZF4BK

not attested not anchored not stored refs pending

Numerous bow shocks in the outer Helix Nebula

Carter Rhea, Deborah M. Lokhorst, Imad Pasha, Pieter van Dokkum, Roberto Abraham, Seery Chen, Steven R. Janssens, William P. Bowman

arxiv:2608.11443 v1 · 2026-08-11 · 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{VCPKYV4QHZPIOGJYJ65OCZF4BK}

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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.

Cited by

1 paper in Pith

Numerous bow shocks in the outer Helix Nebula

Receipt and verification

First computed	2026-08-13T00:21:52.425494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a89eac57903e5e8719384fbae164bc0aa9d18516f98a1ebefcef86051d5b7084

Aliases

arxiv: 2608.11443 · arxiv_version: 2608.11443v1 · doi: 10.48550/arxiv.2608.11443 · pith_short_12: VCPKYV4QHZPI · pith_short_16: VCPKYV4QHZPIOGJY · pith_short_8: VCPKYV4Q

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/VCPKYV4QHZPIOGJYJ65OCZF4BK \
  | 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: a89eac57903e5e8719384fbae164bc0aa9d18516f98a1ebefcef86051d5b7084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a47a6187b1cc17bb9bda3258fda9a75770c33aef72abc1e27d0732bbaa268d59",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-08-11T21:21:18Z",
    "title_canon_sha256": "8ab9b910c3b4d82569e565fb282ebd6cf506a0eceaf0cca71eac85a9db67bc07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.11443",
    "kind": "arxiv",
    "version": 1
  }
}