Pith Number

pith:BMPPFU5W

pith:2017:BMPPFU5WYQYJNSWSYAWC4WUTQY

not attested not anchored not stored refs pending

Constraints on interstellar dust models from extinction and spectro-polarimetry

198504 Russia, (2) Sobolev Astronomical Institute, (3) Armagh Observator, (4) Anton Pannekoek Institute for Astronomy, Armagh BT61 9DG, College Hill, Cox N.L.J. (4) ((1) European Southern Observatory, D-85748 Garching, Germany, Karl-Schwarzschild-Str. 2, NL-1090 GE Amsterdam, N.V. Voshchinnikov (2), Planetariumy, R. Siebenmorgen (1), S. Bagnulo (3), St. Petersburg, St. Petersburg University, the Netherlands), UK, Universitetskii prosp. 28, University of Amsterdam

arxiv:1705.07828 v1 · 2017-05-22 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMPPFU5WYQYJNSWSYAWC4WUTQY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:27:46.617363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b1ef2d3b6c43096cad2c02c2e5a938630d0c0735b34c3938fc6a91e008670e1

Aliases

arxiv: 1705.07828 · arxiv_version: 1705.07828v1 · doi: 10.48550/arxiv.1705.07828 · pith_short_12: BMPPFU5WYQYJ · pith_short_16: BMPPFU5WYQYJNSWS · pith_short_8: BMPPFU5W

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/BMPPFU5WYQYJNSWSYAWC4WUTQY \
  | 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: 0b1ef2d3b6c43096cad2c02c2e5a938630d0c0735b34c3938fc6a91e008670e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b46fa0a27f8bc5c76135e174082156218eac2937c746b65dfe57717173f32936",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-22T16:13:52Z",
    "title_canon_sha256": "257577377aaae21b720635f0042dbe4a2864e68ad97f9baf47fe5cb04698da18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07828",
    "kind": "arxiv",
    "version": 1
  }
}