Pith Number

pith:IA5APQS6

pith:2008:IA5APQS6AEMGJGRTGPBIOHVI5D

not attested not anchored not stored refs pending

Mapping dust column density in dark clouds by using NIR scattered light : Case of the Lupus 3 dark cloud

Koji Sugitani, Motohide Tamura, Ryo Kandori, Shuji Sato, Tetsuya Nagata, Yasushi Nakajima

arxiv:0809.0970 v1 · 2008-09-05 · 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{IA5APQS6AEMGJGRTGPBIOHVI5D}

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	2026-05-18T02:15:35.464886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

403a07c25e0118649a3333c2871ea8e8ea4799e9e0005f2d1e31b25d8dfe50b3

Aliases

arxiv: 0809.0970 · arxiv_version: 0809.0970v1 · doi: 10.48550/arxiv.0809.0970 · pith_short_12: IA5APQS6AEMG · pith_short_16: IA5APQS6AEMGJGRT · pith_short_8: IA5APQS6

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/IA5APQS6AEMGJGRTGPBIOHVI5D \
  | 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: 403a07c25e0118649a3333c2871ea8e8ea4799e9e0005f2d1e31b25d8dfe50b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46b0dd76975ce6e38743d77e3b7622abd248813e26dc7a4109e700c1d446d615",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-05T10:15:25Z",
    "title_canon_sha256": "506c1a81ce3275cbc9130eae850407a3e6f571391ab5a0d90eb0cb8758d84efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0970",
    "kind": "arxiv",
    "version": 1
  }
}