Pith Number

pith:7DJWYHYF

pith:2018:7DJWYHYFBUEKTEO7JEXCJNVDF2

not attested not anchored not stored refs pending

Big data analyses reveal patterns and drivers of the movements of southern elephant seals

Ana M. M. Sequeira, Carlos M. Duarte, Christophe Guinet, Clive R. McMahon, Daniel P. Costa, Jorge P. Rodr\'iguez, Juan Fern\'andez-Gracia, Mark A. Hindell, Mark G. Meekan, Michele Thums, Monica Muelbert, Robert G. Harcourt, V\'ictor M. Egu\'iluz

arxiv:1807.08570 v2 · 2018-07-23 · q-bio.QM · physics.bio-ph · physics.data-an · 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{7DJWYHYFBUEKTEO7JEXCJNVDF2}

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	2026-05-18T00:09:57.967802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8d36c1f050d08a991df492e24b6a32eaf28f7d88153a3b0b98c1c2b89e2bcaf

Aliases

arxiv: 1807.08570 · arxiv_version: 1807.08570v2 · doi: 10.48550/arxiv.1807.08570 · pith_short_12: 7DJWYHYFBUEK · pith_short_16: 7DJWYHYFBUEKTEO7 · pith_short_8: 7DJWYHYF

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/7DJWYHYFBUEKTEO7JEXCJNVDF2 \
  | 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: f8d36c1f050d08a991df492e24b6a32eaf28f7d88153a3b0b98c1c2b89e2bcaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5f3921db681f8689b82a0a9baa6dc738c7d83e7a8630755f67c04da704dfc4",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.data-an",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2018-07-23T12:47:19Z",
    "title_canon_sha256": "1380d852bf8baf80301f9c3714a7f3c239a51bc04974af7a2e5bfcfe42c3de15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08570",
    "kind": "arxiv",
    "version": 2
  }
}