Pith Number

pith:4U44JI3X

pith:2011:4U44JI3XTCPPARA2PKIVITZWOH

not attested not anchored not stored refs pending

The mid-infrared extinction in molecular clouds Case study of B 335

G\"oran Olofsson, Sven Olofsson

arxiv:1112.0155 v1 · 2011-12-01 · 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{4U44JI3XTCPPARA2PKIVITZWOH}

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	2026-05-18T01:59:20.570534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e539c4a377989ef0441a7a91544f3671d263907e2d870869c5cb471f8225eaa2

Aliases

arxiv: 1112.0155 · arxiv_version: 1112.0155v1 · doi: 10.48550/arxiv.1112.0155 · pith_short_12: 4U44JI3XTCPP · pith_short_16: 4U44JI3XTCPPARA2 · pith_short_8: 4U44JI3X

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/4U44JI3XTCPPARA2PKIVITZWOH \
  | 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: e539c4a377989ef0441a7a91544f3671d263907e2d870869c5cb471f8225eaa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae9cefb72738b5c9901cbec9d1562de80d63a1c8d0c8c813ec66af56796136dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-01T12:24:06Z",
    "title_canon_sha256": "34929f1d72edb48656123003a028aadb3daa6afd8507f069d0aa4d613be50c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0155",
    "kind": "arxiv",
    "version": 1
  }
}