Pith Number

pith:Z6MOW4H4

pith:2019:Z6MOW4H4B2BNUQTBROTSCEAFRA

not attested not anchored not stored refs pending

Mean shape of the human limbus

Alejandra Consejo, Clara Llorens-Quintana, D. Robert Iskander, Hema Radhakrishnan

arxiv:1906.09149 v2 · 2019-06-20 · physics.med-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{Z6MOW4H4B2BNUQTBROTSCEAFRA}

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	2026-05-17T23:42:18.356172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf98eb70fc0e82da42618ba721100588098a06e414f1f25b94d897e27dbf2929

Aliases

arxiv: 1906.09149 · arxiv_version: 1906.09149v2 · doi: 10.48550/arxiv.1906.09149 · pith_short_12: Z6MOW4H4B2BN · pith_short_16: Z6MOW4H4B2BNUQTB · pith_short_8: Z6MOW4H4

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/Z6MOW4H4B2BNUQTBROTSCEAFRA \
  | 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: cf98eb70fc0e82da42618ba721100588098a06e414f1f25b94d897e27dbf2929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc4aa4bf1a5caed3e43c4c4589bcd849a633a531f36934980e67b81b70813930",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-06-20T15:22:44Z",
    "title_canon_sha256": "ae0dc5c792b4e8a1460f295edb1e3cdfc59c2572340d634c6f932d4630343284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09149",
    "kind": "arxiv",
    "version": 2
  }
}