Pith Number

pith:TVD6HZ7H

pith:2013:TVD6HZ7HCMXLTTDOSTRINETXAI

not attested not anchored not stored refs pending

Environment-induced anisotropy and the sensitivity of the radical pair mechanism in the avian compass

Alejandro Carrillo, Marcio F. Cornelio, Marcos C. de Oliveira

arxiv:1304.3452 v2 · 2013-04-10 · physics.bio-ph · quant-ph

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

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	2026-05-18T01:35:40.573763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d47e3e7e7132eb9cc6e94e2869277021b230712d414e1b676ff330bb3060700

Aliases

arxiv: 1304.3452 · arxiv_version: 1304.3452v2 · doi: 10.48550/arxiv.1304.3452 · pith_short_12: TVD6HZ7HCMXL · pith_short_16: TVD6HZ7HCMXLTTDO · pith_short_8: TVD6HZ7H

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/TVD6HZ7HCMXLTTDOSTRINETXAI \
  | 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: 9d47e3e7e7132eb9cc6e94e2869277021b230712d414e1b676ff330bb3060700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6fa56d95a3e268fd64de8204518b8c8495946746c96196c1d9b8f650c440b2f",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2013-04-10T21:07:43Z",
    "title_canon_sha256": "b3e37924b3ee30e380a0c5bff23ac3e2514d47f791da1ee8409e36a313a9c6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3452",
    "kind": "arxiv",
    "version": 2
  }
}