Pith Number

pith:4GYGY7MX

pith:2019:4GYGY7MXHDHYFFB6GCRVU443HA

not attested not anchored not stored refs pending

Light diffusion in birefringent polycrystals and the IceCube ice anisotropy

Dmitry Chirkin, Martin Rongen (for the IceCube Collaboration)

arxiv:1908.07608 v1 · 2019-08-20 · astro-ph.HE · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GYGY7MXHDHYFFB6GCRVU443HA}

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	2026-07-04T23:58:59.622642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1b06c7d9738cf82943e30a35a739b380c7406aa4608095d36438f7ead01bcd8

Aliases

arxiv: 1908.07608 · arxiv_version: 1908.07608v1 · doi: 10.48550/arxiv.1908.07608 · pith_short_12: 4GYGY7MXHDHY · pith_short_16: 4GYGY7MXHDHYFFB6 · pith_short_8: 4GYGY7MX

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/4GYGY7MXHDHYFFB6GCRVU443HA \
  | 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: e1b06c7d9738cf82943e30a35a739b380c7406aa4608095d36438f7ead01bcd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "864ab2bb10df4abedb27e915dc274ce2e1c399ff003fa67aeee2c8a41ac410a0",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-20T20:57:16Z",
    "title_canon_sha256": "131f457c59d6affa03c29a598c68bbaa0ca7e0c0f83fb2435a7416cff3ecbc99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07608",
    "kind": "arxiv",
    "version": 1
  }
}