Pith Number

pith:AGMNKDXA

pith:2009:AGMNKDXALUEWUYHKXFO47ECX4U

not attested not anchored not stored refs pending

Complex Aperture Networks

E. Evgin, H.O. Ghaffari, M. Sharifzadeh

arxiv:0901.4413 v2 · 2009-01-28 · physics.geo-ph · physics.comp-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	2026-05-18T03:03:33.175273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0198d50ee05d096a60eab95dcf9057e5237f1a385d1f88cc2b7ebb08f39bd181

Aliases

arxiv: 0901.4413 · arxiv_version: 0901.4413v2 · doi: 10.48550/arxiv.0901.4413 · pith_short_12: AGMNKDXALUEW · pith_short_16: AGMNKDXALUEWUYHK · pith_short_8: AGMNKDXA

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/AGMNKDXALUEWUYHKXFO47ECX4U \
  | 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: 0198d50ee05d096a60eab95dcf9057e5237f1a385d1f88cc2b7ebb08f39bd181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83943b6d39507c10dcadf6e991b7292252873febe7339cdebd2968b36c141427",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2009-01-28T08:29:51Z",
    "title_canon_sha256": "e39c4a2a6af1119735c3edf7b037974bb17988e9dcdaf5095aa64c1a4cea2c24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4413",
    "kind": "arxiv",
    "version": 2
  }
}