Pith Number

pith:CSBHY3ZZ

pith:2009:CSBHY3ZZLBRPA3EZDXZU2PTMJY

not attested not anchored not stored refs pending

Dust properties in M31.I.Basic properties and a discussion on age-dependent dust heating

A. Riffeser, C.-H. Lee, M. Montalto, R. Sch\"onrich, S. Seitz, U. Hopp

arxiv:0907.0669 v1 · 2009-07-03 · 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{CSBHY3ZZLBRPA3EZDXZU2PTMJY}

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	2026-05-18T02:13:05.414906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14827c6f395862f06c991df34d3e6c4e144ceb4f81c7e0025d565329233f778d

Aliases

arxiv: 0907.0669 · arxiv_version: 0907.0669v1 · doi: 10.48550/arxiv.0907.0669 · pith_short_12: CSBHY3ZZLBRP · pith_short_16: CSBHY3ZZLBRPA3EZ · pith_short_8: CSBHY3ZZ

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/CSBHY3ZZLBRPA3EZDXZU2PTMJY \
  | 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: 14827c6f395862f06c991df34d3e6c4e144ceb4f81c7e0025d565329233f778d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9951ffe60b00c470700dbc12f22aa64bae3a798217a95c6eff0063ef2884b61e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-07-03T16:58:07Z",
    "title_canon_sha256": "a2416e85f51f45949f8440055a6dddf13846f990befcc255baff4fdb99360bc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0669",
    "kind": "arxiv",
    "version": 1
  }
}