Pith Number

pith:HEKSAHX4

pith:2017:HEKSAHX4TODR2HD2MG4O7R4U7Q

not attested not anchored not stored refs pending

A User-Centric System for Verified Identities on the Bitcoin Blockchain

Daniel Augot (GRACE), GRACE), Herv\'e Chabanne, Laurent Lamber, Thomas Chenevier, William George (LIX

arxiv:1710.02019 v1 · 2017-10-05 · cs.CR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEKSAHX4TODR2HD2MG4O7R4U7Q}

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	2026-05-18T00:33:37.731787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3915201efc9b871d1c7a61b8efc794fc06c07bc2b80c7fe81085b3af91e8c032

Aliases

arxiv: 1710.02019 · arxiv_version: 1710.02019v1 · doi: 10.48550/arxiv.1710.02019 · pith_short_12: HEKSAHX4TODR · pith_short_16: HEKSAHX4TODR2HD2 · pith_short_8: HEKSAHX4

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/HEKSAHX4TODR2HD2MG4O7R4U7Q \
  | 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: 3915201efc9b871d1c7a61b8efc794fc06c07bc2b80c7fe81085b3af91e8c032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aec0094f6894a56324afaa1e97e5abfc510a2555b29ef32f83df44ca8b81c8f",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-10-05T13:48:04Z",
    "title_canon_sha256": "bedd8566ce13fc4689527425260dda8ef28db1eed3f2a13b14703b5bc5adabd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02019",
    "kind": "arxiv",
    "version": 1
  }
}