Pith Number

pith:5OEQNCE3

pith:2017:5OEQNCE3Z66JTYZ6AU7VKF7MSO

not attested not anchored not stored refs pending

Unidirectional wave propagation in media with complex principal axes

S. A. R. Horsley

arxiv:1708.07048 v4 · 2017-08-23 · 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{5OEQNCE3Z66JTYZ6AU7VKF7MSO}

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	2026-05-18T00:22:28.560894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb8906889bcfbc99e33e053f5517ec93a75ac0ce9c8cd46ad4d566c4b8770fb9

Aliases

arxiv: 1708.07048 · arxiv_version: 1708.07048v4 · doi: 10.48550/arxiv.1708.07048 · pith_short_12: 5OEQNCE3Z66J · pith_short_16: 5OEQNCE3Z66JTYZ6 · pith_short_8: 5OEQNCE3

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/5OEQNCE3Z66JTYZ6AU7VKF7MSO \
  | 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: eb8906889bcfbc99e33e053f5517ec93a75ac0ce9c8cd46ad4d566c4b8770fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed454db8d79750b3d33aefed1f45b5d89f8556ec401d2cfbaeba250cbc03032a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-08-23T15:26:19Z",
    "title_canon_sha256": "35492a52e698e87797d414483983b72a0abc2715769c92e661351cc61a26b36d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07048",
    "kind": "arxiv",
    "version": 4
  }
}