Pith Number

pith:RW6D5OGL

pith:2015:RW6D5OGLVSGVAEEYPPWIDCCBAN

not attested not anchored not stored refs pending

Dialogues about geometry and light

David Bermudez, Jonathan Drori, Ulf Leonhardt

arxiv:1506.05086 v2 · 2015-06-14 · physics.optics · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RW6D5OGLVSGVAEEYPPWIDCCBAN}

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	2026-05-18T00:52:29.464724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dbc3eb8cbac8d5010987bec8188410343f1b1b9c0375115087a6fe77db3c88e

Aliases

arxiv: 1506.05086 · arxiv_version: 1506.05086v2 · doi: 10.48550/arxiv.1506.05086 · pith_short_12: RW6D5OGLVSGV · pith_short_16: RW6D5OGLVSGVAEEY · pith_short_8: RW6D5OGL

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/RW6D5OGLVSGVAEEYPPWIDCCBAN \
  | 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: 8dbc3eb8cbac8d5010987bec8188410343f1b1b9c0375115087a6fe77db3c88e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61a6cfd468b09324bbb31f747dc25489254dd34f3b3e0d890acbf417882461f9",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-06-14T11:57:48Z",
    "title_canon_sha256": "b653c088e763de730a63a8fd1fed1201fea4e37b4721f2e4a0bed67d70261971"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05086",
    "kind": "arxiv",
    "version": 2
  }
}