Pith Number

pith:74HRTCDA

pith:2007:74HRTCDAUKKEWLBDX2IYS7WX62

not attested not anchored not stored refs pending

Trust for Location-based Authorisation

Andreas U. Schmidt, Joerg Abendroth, Nicolai Kuntze

arxiv:0712.2231 v1 · 2007-12-13 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74HRTCDAUKKEWLBDX2IYS7WX62}

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	2026-05-18T00:57:58.751137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff0f198860a2944b2c23be91897ed7f68decb3c0e96b94005e91419b97d92de7

Aliases

arxiv: 0712.2231 · arxiv_version: 0712.2231v1 · doi: 10.48550/arxiv.0712.2231 · pith_short_12: 74HRTCDAUKKE · pith_short_16: 74HRTCDAUKKEWLBD · pith_short_8: 74HRTCDA

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/74HRTCDAUKKEWLBDX2IYS7WX62 \
  | 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: ff0f198860a2944b2c23be91897ed7f68decb3c0e96b94005e91419b97d92de7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b231365b132af0a146ea5f775fce4f24d7e57e7e9eef64d1450e1cabcc7c3f04",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CR",
    "submitted_at": "2007-12-13T20:17:08Z",
    "title_canon_sha256": "af191cc6ec3e83c41fec3034279571817786a8c791b8491fd93b40878cd67d6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2231",
    "kind": "arxiv",
    "version": 1
  }
}