Pith Number

pith:4YH5KDCU

pith:2013:4YH5KDCUH2GM2ICKAE6AQNXKGP

not attested not anchored not stored refs pending

A MALT90 study of the chemical properties of massive clumps and filaments of infrared dark clouds

Oskari Miettinen

arxiv:1311.4300 v1 · 2013-11-18 · 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{4YH5KDCUH2GM2ICKAE6AQNXKGP}

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	2026-05-18T01:46:23.813171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e60fd50c543e8ccd204a013c0836ea33d2e5b62f26caf0f218fa9a7b7c0d1371

Aliases

arxiv: 1311.4300 · arxiv_version: 1311.4300v1 · doi: 10.48550/arxiv.1311.4300 · pith_short_12: 4YH5KDCUH2GM · pith_short_16: 4YH5KDCUH2GM2ICK · pith_short_8: 4YH5KDCU

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/4YH5KDCUH2GM2ICKAE6AQNXKGP \
  | 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: e60fd50c543e8ccd204a013c0836ea33d2e5b62f26caf0f218fa9a7b7c0d1371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7cc13dde7df04b02f6bf1ca9bcd5160fce14bf0cf79b702c2daebc292a02488",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-18T09:03:36Z",
    "title_canon_sha256": "27c40c8eb6e20a2845ab46281fa182d922fcb16c795390acd066419d4fb7c277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4300",
    "kind": "arxiv",
    "version": 1
  }
}