Pith Number

pith:DLX7D2BH

pith:2016:DLX7D2BH7WZQR6U5IOL277WRAN

not attested not anchored not stored refs pending

Finite Spaces and Schemes

Fernando Sancho de Salas

arxiv:1602.02393 v1 · 2016-02-07 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLX7D2BH7WZQR6U5IOL277WRAN}

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	2026-05-18T00:21:29.298891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aeff1e827fdb308fa9d4397affed1037897d50928edf8ac3e328f5c8e4ea8b1

Aliases

arxiv: 1602.02393 · arxiv_version: 1602.02393v1 · doi: 10.48550/arxiv.1602.02393 · pith_short_12: DLX7D2BH7WZQ · pith_short_16: DLX7D2BH7WZQR6U5 · pith_short_8: DLX7D2BH

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/DLX7D2BH7WZQR6U5IOL277WRAN \
  | 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: 1aeff1e827fdb308fa9d4397affed1037897d50928edf8ac3e328f5c8e4ea8b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b4dbc314f43d3ddf3e2d1c7768767b9af297e628fd2fd86e1ff05b422c43e95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-02-07T17:37:25Z",
    "title_canon_sha256": "521e5bd2fd11cc1fdfe40f808ad1ec0b5ffda6b60879df18429f59dc9209217c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02393",
    "kind": "arxiv",
    "version": 1
  }
}