Pith Number

pith:5TPTNSQL

pith:2012:5TPTNSQLGY2VMGDGWCI2XRSXPW

not attested not anchored not stored refs pending

Characterization of system signatures

Alessandro D'Andrea, Luca De Sanctis

arxiv:1208.4702 v1 · 2012-08-23 · math.PR · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TPTNSQLGY2VMGDGWCI2XRSXPW}

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	2026-05-18T03:48:12.835805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecdf36ca0b3635561866b091abc6577d9d211fa502a5737ba556b5bbed9e44bf

Aliases

arxiv: 1208.4702 · arxiv_version: 1208.4702v1 · doi: 10.48550/arxiv.1208.4702 · pith_short_12: 5TPTNSQLGY2V · pith_short_16: 5TPTNSQLGY2VMGDG · pith_short_8: 5TPTNSQL

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/5TPTNSQLGY2VMGDGWCI2XRSXPW \
  | 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: ecdf36ca0b3635561866b091abc6577d9d211fa502a5737ba556b5bbed9e44bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9caea2dd59d6a089a0ed50681b88ee299e974f275124ae297661cf0613a8bc7",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2012-08-23T09:35:27Z",
    "title_canon_sha256": "c5af216efdf447920f70ab30755ae4133cf895d4260bf2f0a770a58ac6ac4eaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4702",
    "kind": "arxiv",
    "version": 1
  }
}