Pith Number

pith:NC6JSIZP

pith:2017:NC6JSIZP62RMDPOL3YWTS2IWMS

not attested not anchored not stored refs pending

Latitudinal trends in human primary activities: characterizing the winter day as a synchronizer

Jose Maria Martin-Olalla

arxiv:1707.09803 v3 · 2017-07-31 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NC6JSIZP62RMDPOL3YWTS2IWMS}

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	2026-05-18T00:19:59.042977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68bc99232ff6a2c1bdcbde2d39691664b5a9b42bc18aa9b24e8b5a1124127009

Aliases

arxiv: 1707.09803 · arxiv_version: 1707.09803v3 · doi: 10.48550/arxiv.1707.09803 · pith_short_12: NC6JSIZP62RM · pith_short_16: NC6JSIZP62RMDPOL · pith_short_8: NC6JSIZP

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/NC6JSIZP62RMDPOL3YWTS2IWMS \
  | 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: 68bc99232ff6a2c1bdcbde2d39691664b5a9b42bc18aa9b24e8b5a1124127009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddb4bfbb89e8fcc1b2ac42a408531f6b20812649212d6c1844575197d0913204",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2017-07-31T11:18:58Z",
    "title_canon_sha256": "038245034d839077e4a1654509f6480b8db50b2bd79be1d96c5fc8af3852cf0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09803",
    "kind": "arxiv",
    "version": 3
  }
}