Pith Number

pith:Z5V4Y77W

pith:2019:Z5V4Y77WIDUXJN6QHEHADIQAQ7

not attested not anchored not stored refs pending

The Distribution of Dense Cores near HII Regions

George Bobotsis, Michel Fich

arxiv:1908.05622 v1 · 2019-08-15 · 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{Z5V4Y77WIDUXJN6QHEHADIQAQ7}

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	2026-07-05T00:17:10.924124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf6bcc7ff640e974b7d0390e01a20087fc977fc64bc0a8ec41eb0f47ab46fc3d

Aliases

arxiv: 1908.05622 · arxiv_version: 1908.05622v1 · doi: 10.48550/arxiv.1908.05622 · pith_short_12: Z5V4Y77WIDUX · pith_short_16: Z5V4Y77WIDUXJN6Q · pith_short_8: Z5V4Y77W

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/Z5V4Y77WIDUXJN6QHEHADIQAQ7 \
  | 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: cf6bcc7ff640e974b7d0390e01a20087fc977fc64bc0a8ec41eb0f47ab46fc3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09dc921c74e090483e6ed0818f3ae22cd4807cf5e84384e5069941f2b906ce64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-15T16:15:06Z",
    "title_canon_sha256": "46e55a0362a775c4d59be88f9b7356d114168e4655d99adee3c0376855c5c76b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05622",
    "kind": "arxiv",
    "version": 1
  }
}