Pith Number

pith:F5S6N57Y

pith:2019:F5S6N57Y6PTOFP72PRI4NQVK4F

not attested not anchored not stored refs pending

Intrinsic polarisation of elongated porous dust grains

Florian Kirchschlager, Gesa H.-M. Bertrang, Mario Flock

arxiv:1906.10699 v1 · 2019-06-25 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5S6N57Y6PTOFP72PRI4NQVK4F}

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	2026-05-17T23:41:07.396389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f65e6f7f8f3e6e2bffa7c51c6c2aae14471c7722f363845cb7c6bb85ab8b1bf

Aliases

arxiv: 1906.10699 · arxiv_version: 1906.10699v1 · doi: 10.48550/arxiv.1906.10699 · pith_short_12: F5S6N57Y6PTO · pith_short_16: F5S6N57Y6PTOFP72 · pith_short_8: F5S6N57Y

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/F5S6N57Y6PTOFP72PRI4NQVK4F \
  | 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: 2f65e6f7f8f3e6e2bffa7c51c6c2aae14471c7722f363845cb7c6bb85ab8b1bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7725dafc18d9fce0c9d3143bb6764bcdb2fa161c84261ad7c1f1c4fe20eb7a6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-25T18:00:04Z",
    "title_canon_sha256": "9c94f465bd6d1324b53c099def1932727e02199800cb9524e87f44c6a99c8aaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10699",
    "kind": "arxiv",
    "version": 1
  }
}