Pith Number

pith:O4IOUML7

pith:2017:O4IOUML72VHBZZ7Y4MSAF7QOH2

not attested not anchored not stored refs pending

Exploring the Dust Population in Cold Diffuse Clouds

Aaron C. Bell, Alberto Noriega-Crespo, Christopher M. Brunt, Hiroyuki Hirashita, Mary E. Spraggs, Sean J. Carey, Steven J. Gibson, William T. Reach

arxiv:1712.01466 v1 · 2017-12-05 · 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{O4IOUML72VHBZZ7Y4MSAF7QOH2}

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	2026-05-18T00:28:50.686241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7710ea317fd54e1ce7f8e32402fe0e3e9b7bea07136a500dccc88d1eb5fc5d8e

Aliases

arxiv: 1712.01466 · arxiv_version: 1712.01466v1 · doi: 10.48550/arxiv.1712.01466 · pith_short_12: O4IOUML72VHB · pith_short_16: O4IOUML72VHBZZ7Y · pith_short_8: O4IOUML7

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/O4IOUML72VHBZZ7Y4MSAF7QOH2 \
  | 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: 7710ea317fd54e1ce7f8e32402fe0e3e9b7bea07136a500dccc88d1eb5fc5d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635c50540e8c959150e3f4033ace4cb1b744a7260b2948268ea1a41de53f8300",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-05T03:42:12Z",
    "title_canon_sha256": "9105a7a39799adff30573692838abbde9dd31c81b38847783b62d492e3b3352f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01466",
    "kind": "arxiv",
    "version": 1
  }
}