Pith Number

pith:Y4UV3AAI

pith:2009:Y4UV3AAIN56Z5X3DDDCZHC3KJG

not attested not anchored not stored refs pending

Direct evidence of dust growth in L183 from MIR light scattering

2), (2) M.P.I.A., (3) L.A.O.G., (4) S.S.C.), A. Bacmann (3), J. Steinacker (1, L. Pagani (1), S. Guieu (4) ((1) L.E.R.M.A.

arxiv:0912.0145 v2 · 2009-12-01 · 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{Y4UV3AAIN56Z5X3DDDCZHC3KJG}

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	2026-05-18T02:10:35.184730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7295d80086f7d9edf6318c5938b6a49bdc4c51786a11f45a294e568f8e83634

Aliases

arxiv: 0912.0145 · arxiv_version: 0912.0145v2 · doi: 10.48550/arxiv.0912.0145 · pith_short_12: Y4UV3AAIN56Z · pith_short_16: Y4UV3AAIN56Z5X3D · pith_short_8: Y4UV3AAI

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/Y4UV3AAIN56Z5X3DDDCZHC3KJG \
  | 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: c7295d80086f7d9edf6318c5938b6a49bdc4c51786a11f45a294e568f8e83634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944ae3b0d3f5715d50d247421be608cee0adc78796879f37d767f09c439dd8e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-01T13:07:39Z",
    "title_canon_sha256": "f127312e84afbcadc768c9e37e0ddf88750832d839c91b5eb0f46fda2353f12a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0145",
    "kind": "arxiv",
    "version": 2
  }
}