Pith Number

pith:VU62JOUY

pith:2019:VU62JOUYCCDXYBVQ2NCCKQAADY

not attested not anchored not stored refs pending

The optical depth including Lorentz invariance violation energy threshold shifts

Humberto Mart\'inez-Huerta, Rodrigo G. Lang, Vitor de Souza

arxiv:1901.03205 v1 · 2019-01-10 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VU62JOUYCCDXYBVQ2NCCKQAADY}

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	2026-05-17T23:56:35.242387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad3da4ba9810877c06b0d3442540001e19f4615c1200eb54a2426e6cccbea29b

Aliases

arxiv: 1901.03205 · arxiv_version: 1901.03205v1 · doi: 10.48550/arxiv.1901.03205 · pith_short_12: VU62JOUYCCDX · pith_short_16: VU62JOUYCCDXYBVQ · pith_short_8: VU62JOUY

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/VU62JOUYCCDXYBVQ2NCCKQAADY \
  | 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: ad3da4ba9810877c06b0d3442540001e19f4615c1200eb54a2426e6cccbea29b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a4a083dba718300bdcaa0e30efb3cdb31374e316d129aaa2b9ce8ed7be526f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-10T14:58:51Z",
    "title_canon_sha256": "aa02c7fd83f824722d4063b463c0fdc93960ff9d56c1e8b32a7713852d37d139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03205",
    "kind": "arxiv",
    "version": 1
  }
}