Pith Number

pith:DQWPOEZF

pith:2012:DQWPOEZFPATP5SOG4NWY7MUZ3K

not attested not anchored not stored refs pending

The simulation of molecular clouds formation in the Milky Way

A.M. Sobolev, A.V. Khoperskov, E.O. Vasiliev, S.A. Khoperskov

arxiv:1207.5162 v1 · 2012-07-21 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQWPOEZFPATP5SOG4NWY7MUZ3K}

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	2026-05-18T01:56:15.379202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c2cf713257826fec9c6e36d8fb299daa7809e477d965cbaba7a2958d000532b

Aliases

arxiv: 1207.5162 · arxiv_version: 1207.5162v1 · doi: 10.48550/arxiv.1207.5162 · pith_short_12: DQWPOEZFPATP · pith_short_16: DQWPOEZFPATP5SOG · pith_short_8: DQWPOEZF

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/DQWPOEZFPATP5SOG4NWY7MUZ3K \
  | 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: 1c2cf713257826fec9c6e36d8fb299daa7809e477d965cbaba7a2958d000532b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06ae1427d744b57869435d348a66960a9a64758f91d2308f9dfd2dccfa7d6a51",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-21T17:14:30Z",
    "title_canon_sha256": "8869c35b4558f0823cb86da196c16ac20e3b2b8ffa39d024b8e812b692674a0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5162",
    "kind": "arxiv",
    "version": 1
  }
}