Pith Number

pith:UMJKQTV4

pith:2017:UMJKQTV4F3X75WRITH5SAS42UZ

not attested not anchored not stored refs pending

The Diffusion of Humans and Cultures in the Course of the Spread of Farming

Carsten Lemmen, Detlef Gronenborn

arxiv:1702.06977 v1 · 2017-02-22 · 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{UMJKQTV4F3X75WRITH5SAS42UZ}

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	2026-05-18T00:16:23.911630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a312a84ebc2eeffeda2899fb204b9aa67c4348a48b8b53b65825fab10b9f440e

Aliases

arxiv: 1702.06977 · arxiv_version: 1702.06977v1 · doi: 10.48550/arxiv.1702.06977 · pith_short_12: UMJKQTV4F3X7 · pith_short_16: UMJKQTV4F3X75WRI · pith_short_8: UMJKQTV4

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/UMJKQTV4F3X75WRITH5SAS42UZ \
  | 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: a312a84ebc2eeffeda2899fb204b9aa67c4348a48b8b53b65825fab10b9f440e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9c7fdb110ab21c8bb3d900991b9158205d54aaa8718603fafd9b2dace931a52",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-02-22T19:28:18Z",
    "title_canon_sha256": "0c3f9eea2729ddcc2fdf2c2d613211863d6402a4c717bc879a56ce6731aae397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06977",
    "kind": "arxiv",
    "version": 1
  }
}