Pith Number

pith:YU57PA6G

pith:2021:YU57PA6G3BHQKZBCFIOGIXHN4N

not attested not anchored not stored refs pending

Retrieving Dust Grain Sizes from Photopolarimetry: An Experimental Approach

A. C. Caballero, D. Guirado, E. Frattin, F. Menard, F. Moreno, J. C. Gomez-Martin, J. L. Ramos, J. Milli, M. Peiteado, O. Munoz, T. Jardiel

arxiv:2109.05764 v1 · 2021-09-13 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YU57PA6G3BHQKZBCFIOGIXHN4N}

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	2026-07-05T03:13:42.158256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c53bf783c6d84f0564222a1c645cede356b972dd4244aabdd38cb0327c8c56e9

Aliases

arxiv: 2109.05764 · arxiv_version: 2109.05764v1 · doi: 10.48550/arxiv.2109.05764 · pith_short_12: YU57PA6G3BHQ · pith_short_16: YU57PA6G3BHQKZBC · pith_short_8: YU57PA6G

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/YU57PA6G3BHQKZBCFIOGIXHN4N \
  | 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: c53bf783c6d84f0564222a1c645cede356b972dd4244aabdd38cb0327c8c56e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caae4a4da93e1d2e39157e8eeaaf07546bfd2d12eb7678bf273918054be31f3d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-09-13T08:11:05Z",
    "title_canon_sha256": "328507cc6d6618f33edbb6d3cfc9bddcf3aa38422716b432808e04e119108521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05764",
    "kind": "arxiv",
    "version": 1
  }
}