Pith Number

pith:ZY6NPWR3

pith:2010:ZY6NPWR3CVOP2PXZ45TAXOUY4H

not attested not anchored not stored refs pending

One method of storing information

Oleg Titov

arxiv:1009.1697 v1 · 2010-09-09 · 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{ZY6NPWR3CVOP2PXZ45TAXOUY4H}

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	2026-05-18T04:41:13.745179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce3cd7da3b155cfd3ef9e7660bba98e1d3498c0cca7f78c6f9e694428bc5900c

Aliases

arxiv: 1009.1697 · arxiv_version: 1009.1697v1 · doi: 10.48550/arxiv.1009.1697 · pith_short_12: ZY6NPWR3CVOP · pith_short_16: ZY6NPWR3CVOP2PXZ · pith_short_8: ZY6NPWR3

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/ZY6NPWR3CVOP2PXZ45TAXOUY4H \
  | 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: ce3cd7da3b155cfd3ef9e7660bba98e1d3498c0cca7f78c6f9e694428bc5900c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eec0eb4f2644f6b5bf9d0587b4634ac5bde7910085c0c1c112605a7e1b9cfb27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-09-09T07:41:22Z",
    "title_canon_sha256": "656f7c608a67191c67fd4475e0cdc2fa2f4943cef828671db48ee9a82c2526ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1697",
    "kind": "arxiv",
    "version": 1
  }
}