Pith Number

pith:2H3ZMYFK

pith:2012:2H3ZMYFKNPJ4ADJLF4PYXARS3O

not attested not anchored not stored refs pending

Chameleon effect and the Pioneer anomaly

John D. Anderson, J.R. Morris

arxiv:1204.2778 v1 · 2012-04-12 · gr-qc · astro-ph.EP · hep-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	2026-05-18T03:50:25.190307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f79660aa6bd3c00d2b2f1f8b8232db8e877785936cabf9ed44c44f17196be1

Aliases

arxiv: 1204.2778 · arxiv_version: 1204.2778v1 · doi: 10.48550/arxiv.1204.2778 · pith_short_12: 2H3ZMYFKNPJ4 · pith_short_16: 2H3ZMYFKNPJ4ADJL · pith_short_8: 2H3ZMYFK

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/2H3ZMYFKNPJ4ADJLF4PYXARS3O \
  | 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: d1f79660aa6bd3c00d2b2f1f8b8232db8e877785936cabf9ed44c44f17196be1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eeef249b0641ba1b829ab6f7aa198bb3697b03ef745508ecdca0e9c6458cd08",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-12T17:28:43Z",
    "title_canon_sha256": "37682abedac2efa334cf2e4459ef031d4ba9e7cc70e7bf82988a236203197e1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2778",
    "kind": "arxiv",
    "version": 1
  }
}