Pith Number

pith:7UQEFEFF

pith:2025:7UQEFEFFW27TOIREZIFSKOQ7YV

not attested not anchored not stored refs pending

JCMT POL-2 observations of magnetic fields potentially shaped by outflows in the pre-planetary nebulae CRL 618 and OH231.8+4.2

Giorgio Savini, Kate Pattle

arxiv:2507.21829 v1 · 2025-07-29 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UQEFEFFW27TOIREZIFSKOQ7YV}

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	2026-07-05T11:45:08.404618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd204290a5b6bf372224ca0b253a1fc54223d27a535464bb45d9a87c4eb2c09b

Aliases

arxiv: 2507.21829 · arxiv_version: 2507.21829v1 · doi: 10.48550/arxiv.2507.21829 · pith_short_12: 7UQEFEFFW27T · pith_short_16: 7UQEFEFFW27TOIRE · pith_short_8: 7UQEFEFF

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/7UQEFEFFW27TOIREZIFSKOQ7YV \
  | 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: fd204290a5b6bf372224ca0b253a1fc54223d27a535464bb45d9a87c4eb2c09b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "479e7fc6a3c25cc808f2101a416e19183b86b71a8657a4ed5823cc6d8d6753c1",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-29T14:08:00Z",
    "title_canon_sha256": "da037c98a70763801cc258ea43c3a4cef2f4b603b6109b340fac7f6e776188f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21829",
    "kind": "arxiv",
    "version": 1
  }
}