Pith Number

pith:7NFEID5T

pith:2007:7NFEID5T4IBUN6QAHOFGPG5BWV

not attested not anchored not stored refs pending

Refracting profiles and generalized holodiagrams

C. Criado (Malaga), H. Rabal (La Plata), N. Alamo (Malaga)

arxiv:physics/0703106 v1 · 2007-03-09 · physics.optics · physics.gen-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{7NFEID5T4IBUN6QAHOFGPG5BWV}

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	2026-05-18T01:38:04.641746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4a440fb3e20346fa003b8a679ba1b56b2bcd681e89a51e82468301d3d0a28c

Aliases

arxiv: physics/0703106 · arxiv_version: physics/0703106v1 · doi: 10.48550/arxiv.physics/0703106 · pith_short_12: 7NFEID5T4IBU · pith_short_16: 7NFEID5T4IBUN6QA · pith_short_8: 7NFEID5T

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/7NFEID5T4IBUN6QAHOFGPG5BWV \
  | 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: fb4a440fb3e20346fa003b8a679ba1b56b2bcd681e89a51e82468301d3d0a28c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a2c253a39fb2aa8e1501d58e2d922531a7b23cc49f8fc4efe2f3db1b7a2b502",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2007-03-09T13:48:23Z",
    "title_canon_sha256": "c87c7c5cd4124fd88501f1d484026bcff053ab7849054de639075834108b1e23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0703106",
    "kind": "arxiv",
    "version": 1
  }
}