Pith Number

pith:IP4ZKAKZ

pith:2016:IP4ZKAKZDBPNZBK4GJE5LQRXED

not attested not anchored not stored refs pending

Gravitational instability of filamentary molecular clouds, including ambipolar diffusion

Kazem Naficy, Mahmood Roshan, Mohammad Hosseinirad, Shahram Abbassi

arxiv:1611.00139 v1 · 2016-11-01 · 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{IP4ZKAKZDBPNZBK4GJE5LQRXED}

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	2026-05-18T00:54:27.926255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f9950159185edc855c3249d5c23720c0903d02bd4f5bded57111bae004e530

Aliases

arxiv: 1611.00139 · arxiv_version: 1611.00139v1 · doi: 10.48550/arxiv.1611.00139 · pith_short_12: IP4ZKAKZDBPN · pith_short_16: IP4ZKAKZDBPNZBK4 · pith_short_8: IP4ZKAKZ

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/IP4ZKAKZDBPNZBK4GJE5LQRXED \
  | 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: 43f9950159185edc855c3249d5c23720c0903d02bd4f5bded57111bae004e530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93a706743f6326d9880981a7c8c8bb4def9c355e95bb6ba7c02cd1d84e800004",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-01T06:06:39Z",
    "title_canon_sha256": "4e96d293f450ec8946daff3ca9846c092180a4d829debbd7ab84d721f2ef0711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00139",
    "kind": "arxiv",
    "version": 1
  }
}