Pith Number

pith:SIP47GKE

pith:2016:SIP47GKEPS5HIWSKS6PAIJAYOP

not attested not anchored not stored refs pending

Mapping EU fishing activities using ship tracking data

Alfredo Alessandrini, Fabio Mazzarella, Fabrizio Natale, Giacomo C. Osio, Maurizio Gibin, Michele Vespe

arxiv:1603.03826 v3 · 2016-03-11 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIP47GKEPS5HIWSKS6PAIJAYOP}

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	2026-05-18T01:12:54.890410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

921fcf99447cba745a4a979e04241873db0e7a8c5e75d8e19394126aaafc1368

Aliases

arxiv: 1603.03826 · arxiv_version: 1603.03826v3 · doi: 10.48550/arxiv.1603.03826 · pith_short_12: SIP47GKEPS5H · pith_short_16: SIP47GKEPS5HIWSK · pith_short_8: SIP47GKE

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/SIP47GKEPS5HIWSKS6PAIJAYOP \
  | 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: 921fcf99447cba745a4a979e04241873db0e7a8c5e75d8e19394126aaafc1368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca16ec6ddc6bda837dbb829d24e90608ba2a31f6475d447f2b992c1dc5fad1a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2016-03-11T23:51:20Z",
    "title_canon_sha256": "8248da04227ff83a04a63a084aeda18699e0d9c9935fd07145fe5741e1d65ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03826",
    "kind": "arxiv",
    "version": 3
  }
}