Pith Number

pith:F7NDDEOW

pith:2013:F7NDDEOW6RFILW2JYFSRXWY47O

not attested not anchored not stored refs pending

The Interstellar Bubbles of G38.9-0.4 and the Impact of Stellar Feedback on Star Formation

Charles R. Kerton, Henry A. Kobulnicky, Kim Arvidsson, Michael J. Alexander

arxiv:1304.7251 v1 · 2013-04-26 · 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{F7NDDEOW6RFILW2JYFSRXWY47O}

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	2026-05-18T01:50:21.287473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fda3191d6f44a85db49c1651bdb1cfbbe6bc54ab5025d73445138d6abe2109c

Aliases

arxiv: 1304.7251 · arxiv_version: 1304.7251v1 · doi: 10.48550/arxiv.1304.7251 · pith_short_12: F7NDDEOW6RFI · pith_short_16: F7NDDEOW6RFILW2J · pith_short_8: F7NDDEOW

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/F7NDDEOW6RFILW2JYFSRXWY47O \
  | 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: 2fda3191d6f44a85db49c1651bdb1cfbbe6bc54ab5025d73445138d6abe2109c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c541aceb88902657aba9257710650630491eec07fe02e968a24309ac66d3ef0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-26T18:33:14Z",
    "title_canon_sha256": "35935a057799489b253c1c907ff292e46eac0fe85e64b19ee39482500216b926"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7251",
    "kind": "arxiv",
    "version": 1
  }
}