Pith Number

pith:TJNPST7G

pith:2018:TJNPST7GF2PGMECR5HD7CAXMTL

not attested not anchored not stored refs pending

Exchange of Geometric Information Between Applications

Nuno Baeta (University of Coimbra, Pedro Quaresma (University of Coimbra, Portugal), Vanda Santos (University of Coimbra

arxiv:1803.01471 v1 · 2018-03-05 · cs.CY · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJNPST7GF2PGMECR5HD7CAXMTL}

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	2026-05-18T00:22:00.576856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a5af94fe62e9e661051e9c7f102ec9ad2c41bff279ee266bf505af61bbaa4f1

Aliases

arxiv: 1803.01471 · arxiv_version: 1803.01471v1 · doi: 10.48550/arxiv.1803.01471 · pith_short_12: TJNPST7GF2PG · pith_short_16: TJNPST7GF2PGMECR · pith_short_8: TJNPST7G

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/TJNPST7GF2PGMECR5HD7CAXMTL \
  | 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: 9a5af94fe62e9e661051e9c7f102ec9ad2c41bff279ee266bf505af61bbaa4f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6241c1be0062a2aa7b6e076870311f3aef0b432c96b8c8e8652581e7ec3282a",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-03-05T02:47:23Z",
    "title_canon_sha256": "b08b9efe2ae405a17f96e22064b108682464a844a8db3530ebe8b468ee325f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01471",
    "kind": "arxiv",
    "version": 1
  }
}