Pith Number

pith:E6KM3GUV

pith:2015:E6KM3GUVSGE5IOTUKC57KCXQMV

not attested not anchored not stored refs pending

Productivity of pre-modern agriculture in the Cucuteni-Trypillia area

A. Shukurov, G. A. Pashkevich, G. R. Sarson, K. Davison, M. Yu. Videiko, P. M. Dolukhanov, R. Shiel

arxiv:1505.05121 v1 · 2015-05-19 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6KM3GUVSGE5IOTUKC57KCXQMV}

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	2026-05-18T02:05:22.124446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2794cd9a959189d43a7450bbf50af06564a901e0c68143ca044dce58d5dd86ab

Aliases

arxiv: 1505.05121 · arxiv_version: 1505.05121v1 · doi: 10.48550/arxiv.1505.05121 · pith_short_12: E6KM3GUVSGE5 · pith_short_16: E6KM3GUVSGE5IOTU · pith_short_8: E6KM3GUV

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/E6KM3GUVSGE5IOTUKC57KCXQMV \
  | 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: 2794cd9a959189d43a7450bbf50af06564a901e0c68143ca044dce58d5dd86ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3f770a601c4e9e670fcf0c97a63fae851c3515c8c71938c53ec296520e876a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-05-19T19:08:23Z",
    "title_canon_sha256": "ad86154e5e0ff4648357def8b98ef86a867b360daeaace61a66639c4241cdc6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05121",
    "kind": "arxiv",
    "version": 1
  }
}