Pith Number

pith:UEIXZLNO

pith:2021:UEIXZLNOUAQHUDHRMFUSDEO77A

not attested not anchored not stored refs pending

Using the Starlight Polarization Efficiency Integral to Constrain Shapes and Porosities of Interstellar Grains

Brandon S. Hensley, B. T. Draine

arxiv:2101.07277 v1 · 2021-01-18 · 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{UEIXZLNOUAQHUDHRMFUSDEO77A}

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	2026-07-05T03:19:04.430506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1117cadaea0207a0cf161692191dff83b5eb529e5fdb49d933f6bdeb33864d7

Aliases

arxiv: 2101.07277 · arxiv_version: 2101.07277v1 · doi: 10.48550/arxiv.2101.07277 · pith_short_12: UEIXZLNOUAQH · pith_short_16: UEIXZLNOUAQHUDHR · pith_short_8: UEIXZLNO

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/UEIXZLNOUAQHUDHRMFUSDEO77A \
  | 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: a1117cadaea0207a0cf161692191dff83b5eb529e5fdb49d933f6bdeb33864d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28eb5c249bd9f0e02e4ce912546992364e8716e42becc33e4759bfc00e2d8703",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-18T19:00:08Z",
    "title_canon_sha256": "96b94b58a54183a4e926296ae4e070de533dc281562738f0d7efab72630cb6d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.07277",
    "kind": "arxiv",
    "version": 1
  }
}