Pith Number

pith:57LNFIVT

pith:2018:57LNFIVTTG42Z5HAQWYFUW6NLB

not attested not anchored not stored refs pending

A Grammar-based Compressed Representation of 3D Trajectories

Adri\'an G\'omez-Brand\'on, Jos\'e R. Param\'a, Miguel A. Mart\'inez-Prieto, Nieves R. Brisaboa

arxiv:1812.10974 v1 · 2018-12-28 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57LNFIVTTG42Z5HAQWYFUW6NLB}

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	2026-05-17T23:57:16.653542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efd6d2a2b399b9acf4e085b05a5bcd5852e76b05c197a2a486d26a9156238860

Aliases

arxiv: 1812.10974 · arxiv_version: 1812.10974v1 · doi: 10.48550/arxiv.1812.10974 · pith_short_12: 57LNFIVTTG42 · pith_short_16: 57LNFIVTTG42Z5HA · pith_short_8: 57LNFIVT

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/57LNFIVTTG42Z5HAQWYFUW6NLB \
  | 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: efd6d2a2b399b9acf4e085b05a5bcd5852e76b05c197a2a486d26a9156238860

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "700a5b11a380eb4b7c7fe3c7821e14f0017e6555511b9e8c49a1205f476ba89f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-12-28T12:24:18Z",
    "title_canon_sha256": "905c366fa5a89df29df5a37eeea6796fff79ec3301b61fc251d5e8689c6c31b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10974",
    "kind": "arxiv",
    "version": 1
  }
}