Pith Number

pith:Z33BIBWN

pith:2010:Z33BIBWNA5ZW6SNVUSGI6TFBIL

not attested not anchored not stored refs pending

Modified Newton's rings: II

B Shankar Anandh, K. S. Umesh, Rajiv Kumar, T. Sai Chaitanya, V. Sai Krishna

arxiv:1005.3590 v1 · 2010-05-20 · physics.class-ph · physics.ed-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{Z33BIBWNA5ZW6SNVUSGI6TFBIL}

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	2026-05-18T02:23:56.486397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef61406cd07736f49b5a48c8f4ca142c7e69cbb07c94a6c2821c37026817e80

Aliases

arxiv: 1005.3590 · arxiv_version: 1005.3590v1 · doi: 10.48550/arxiv.1005.3590 · pith_short_12: Z33BIBWNA5ZW · pith_short_16: Z33BIBWNA5ZW6SNV · pith_short_8: Z33BIBWN

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/Z33BIBWNA5ZW6SNVUSGI6TFBIL \
  | 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: cef61406cd07736f49b5a48c8f4ca142c7e69cbb07c94a6c2821c37026817e80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7939d8a37fd646fbfc00214ac7fadfacc69766a9ac3892bfa3d2d2486144ab1d",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2010-05-20T05:02:13Z",
    "title_canon_sha256": "81cea697a356d27186b6de8b735452e4b924430854ece866fbb9aa15ed3d18c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3590",
    "kind": "arxiv",
    "version": 1
  }
}