Pith Number

pith:WSRODNU5

pith:2012:WSRODNU5U4HJTHDWS7WBBIYKSZ

not attested not anchored not stored refs pending

Retinal and post-retinal contributions to the quantum efficiency of the human eye

Bruno Sanguinetti, Chloe de Balthasar, Enrico Pomarico, Gibran Manasseh, Nicolas Gisin, Rolando Grave de Peralta, Sara L. Gonzalez

arxiv:1208.1652 v1 · 2012-08-08 · q-bio.NC · 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{WSRODNU5U4HJTHDWS7WBBIYKSZ}

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	2026-05-18T03:49:10.987900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a2e1b69da70e999c7697ec10a30a966d277386573f6dbe6d9070b1681c4098

Aliases

arxiv: 1208.1652 · arxiv_version: 1208.1652v1 · doi: 10.48550/arxiv.1208.1652 · pith_short_12: WSRODNU5U4HJ · pith_short_16: WSRODNU5U4HJTHDW · pith_short_8: WSRODNU5

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/WSRODNU5U4HJTHDWS7WBBIYKSZ \
  | 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: b4a2e1b69da70e999c7697ec10a30a966d277386573f6dbe6d9070b1681c4098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc150857f60fd3667e0f24814485050205d90ed347fc322524187cacd030cce3",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2012-08-08T12:40:19Z",
    "title_canon_sha256": "bcb432d8ea622e9ddc379a61eb94ddb88e41239673a374885469ae17fd0bac28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1652",
    "kind": "arxiv",
    "version": 1
  }
}