Pith Number

pith:64Y6N5YX

pith:2018:64Y6N5YXNKUOXTE3KQVBQ36T37

not attested not anchored not stored refs pending

Near-infrared scattering as a dust diagnostic

Johanna Malinen, Mika Juvela, Mika Saajasto

arxiv:1802.07517 v1 · 2018-02-21 · 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{64Y6N5YXNKUOXTE3KQVBQ36T37}

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	2026-05-18T00:12:53.151178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f731e6f7176aa8ebcc9b542a186fd3dffcdaf74e37abfffe6fbf53888d7e6750

Aliases

arxiv: 1802.07517 · arxiv_version: 1802.07517v1 · doi: 10.48550/arxiv.1802.07517 · pith_short_12: 64Y6N5YXNKUO · pith_short_16: 64Y6N5YXNKUOXTE3 · pith_short_8: 64Y6N5YX

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/64Y6N5YXNKUOXTE3KQVBQ36T37 \
  | 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: f731e6f7176aa8ebcc9b542a186fd3dffcdaf74e37abfffe6fbf53888d7e6750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd18ec77ac8d493fd326a4815fe4ef161f1c5d4a84a059871db42ae031d36ba6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-21T11:19:57Z",
    "title_canon_sha256": "7e2b1bf64dc29fc94080746b27f79358a21a6507f082bd552a0afb6fee32c896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07517",
    "kind": "arxiv",
    "version": 1
  }
}