Pith Number

pith:5Q3RUH5X

pith:1996:5Q3RUH5XG4QCSRDSFDE4VZ4GOU

not attested not anchored not stored refs pending

Very Cold Gas and Dark Matter

D. Pfenniger, F. Combes

arxiv:astro-ph/9602145 v1 · 1996-02-27 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Q3RUH5XG4QCSRDSFDE4VZ4GOU}

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	2026-05-18T01:21:56.660236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec371a1fb7372029447228c9cae78675322f662650e0d78c50596a0bf0c2dcb4

Aliases

arxiv: astro-ph/9602145 · arxiv_version: astro-ph/9602145v1 · doi: 10.48550/arxiv.astro-ph/9602145 · pith_short_12: 5Q3RUH5XG4QC · pith_short_16: 5Q3RUH5XG4QCSRDS · pith_short_8: 5Q3RUH5X

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/5Q3RUH5XG4QCSRDSFDE4VZ4GOU \
  | 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: ec371a1fb7372029447228c9cae78675322f662650e0d78c50596a0bf0c2dcb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e5fae46fd07302049f9ac733e3250c69627eee26c9ffeaa9cad2a4228222937",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-02-27T17:13:55Z",
    "title_canon_sha256": "d54a6064ce2961fbdf89937b8c57528614889c0d5eb9753351532346e702043b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9602145",
    "kind": "arxiv",
    "version": 1
  }
}