Pith Number

pith:LKLMY3JT

pith:2011:LKLMY3JTDIRE5FTC7SK53WISQR

not attested not anchored not stored refs pending

Evolution of the Milky Way in Semi-Analytic Models: Detecting Cold Gas at z=3 with ALMA and SKA

Danail Obreschkow, Ian Heywood, Steve Rawlings

arxiv:1109.2514 v2 · 2011-09-12 · astro-ph.CO · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKLMY3JTDIRE5FTC7SK53WISQR}

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	2026-05-18T02:21:36.798480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a96cc6d331a224e9662fc95ddd912844d7a5caa852fce671c76552103f93300

Aliases

arxiv: 1109.2514 · arxiv_version: 1109.2514v2 · doi: 10.48550/arxiv.1109.2514 · pith_short_12: LKLMY3JTDIRE · pith_short_16: LKLMY3JTDIRE5FTC · pith_short_8: LKLMY3JT

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/LKLMY3JTDIRE5FTC7SK53WISQR \
  | 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: 5a96cc6d331a224e9662fc95ddd912844d7a5caa852fce671c76552103f93300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d6af499c8c02522ddc6af1846bf035b977c0633388f39d68bbb3624126ab812",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-12T16:03:14Z",
    "title_canon_sha256": "7833f26711f6da13209e67ea73bbc51ecc096d30883eaacce63aaaebc0d31853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2514",
    "kind": "arxiv",
    "version": 2
  }
}