Pith Number

pith:VFF4FVQD

pith:2012:VFF4FVQDPL4CR6AUXH7GKGDCQB

not attested not anchored not stored refs pending

[CII] gas in IC 342

F. Israel, H. W. H\"ubers, J. Stutzki, K.Jacobs, M. R\"ollig, P. Hartogh, R. G\"usten, R. Simon, X. Guan

arxiv:1204.2099 v1 · 2012-04-10 · astro-ph.CO · 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{VFF4FVQDPL4CR6AUXH7GKGDCQB}

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	2026-05-18T01:57:55.426112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a94bc2d6037af828f814b9fe651862806e96ffd982b7a263b1cff917131439dc

Aliases

arxiv: 1204.2099 · arxiv_version: 1204.2099v1 · doi: 10.48550/arxiv.1204.2099 · pith_short_12: VFF4FVQDPL4C · pith_short_16: VFF4FVQDPL4CR6AU · pith_short_8: VFF4FVQD

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/VFF4FVQDPL4CR6AUXH7GKGDCQB \
  | 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: a94bc2d6037af828f814b9fe651862806e96ffd982b7a263b1cff917131439dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82342162e66dd229c59c6d6084db7df3725004b033834ea44b5d523745725367",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-10T10:38:03Z",
    "title_canon_sha256": "af77e5f3f7b910ec35c018a0940836b3e907c21e0f53417e097de5a03c9cd328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2099",
    "kind": "arxiv",
    "version": 1
  }
}