Pith Number

pith:6X3R6ZT7

pith:2026:6X3R6ZT7FQMYUDNFYNJPN2FTFC

not attested not anchored not stored refs pending

Bipolar HII regions Produced by Cloud-Cloud Collisions

Annie Zavagno, Anthony P. Whitworth, Richard W\"unsch, Theotokis Georgatos

arxiv:2607.28174 v1 · 2026-07-30 · 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{6X3R6ZT7FQMYUDNFYNJPN2FTFC}

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	2026-07-31T01:36:14.875383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

f5f71f667f2c198a0da5c352f6e8b32897f2973679c6f7a06ac83cd977127327

Aliases

arxiv: 2607.28174 · arxiv_version: 2607.28174v1 · doi: 10.48550/arxiv.2607.28174 · pith_short_12: 6X3R6ZT7FQMY · pith_short_16: 6X3R6ZT7FQMYUDNF · pith_short_8: 6X3R6ZT7

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/6X3R6ZT7FQMYUDNFYNJPN2FTFC \
  | 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: f5f71f667f2c198a0da5c352f6e8b32897f2973679c6f7a06ac83cd977127327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65e3f3dc619a2c6537f0914b83c0b120d097b073a370b5b2497d841fa1ac7e2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-30T13:10:34Z",
    "title_canon_sha256": "c10e7ef649717e080c5eae6f9d5d41497a5fb9a7fe8b70d2edc378a196cdf8dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28174",
    "kind": "arxiv",
    "version": 1
  }
}