Pith Number

pith:LPKEKPUF

pith:2011:LPKEKPUFMC3EPD4LOTHX6JTDIG

not attested not anchored not stored refs pending

Massive star formation around I05345+3157 -- I. The dense gas

Katherine I. Lee, Leslie W. Looney, Randolf Klein, Shiya Wang

arxiv:1107.1224 v1 · 2011-07-06 · 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{LPKEKPUFMC3EPD4LOTHX6JTDIG}

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	2026-05-18T02:01:22.309027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bd4453e8560b6478f8b74cf7f26634188ffa6b40fd951b0101570bf09dc791e

Aliases

arxiv: 1107.1224 · arxiv_version: 1107.1224v1 · doi: 10.48550/arxiv.1107.1224 · pith_short_12: LPKEKPUFMC3E · pith_short_16: LPKEKPUFMC3EPD4L · pith_short_8: LPKEKPUF

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/LPKEKPUFMC3EPD4LOTHX6JTDIG \
  | 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: 5bd4453e8560b6478f8b74cf7f26634188ffa6b40fd951b0101570bf09dc791e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddcb68fe83469c1922dbefb308914ce3d0b14160c8a7cf750e0fdc6b29d162e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-06T19:28:30Z",
    "title_canon_sha256": "1304991902c707971dba2a116fe2ee75969cdd095a1c4391948e519ec2d33e27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1224",
    "kind": "arxiv",
    "version": 1
  }
}