Pith Number

pith:WLBC4SNG

pith:2008:WLBC4SNGVFVFXDQXSGHQQJKVVN

not attested not anchored not stored refs pending

The Ephemeral Pairing Problem

Jaap-Henk Hoepman

arxiv:0802.0834 v1 · 2008-02-06 · 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{WLBC4SNGVFVFXDQXSGHQQJKVVN}

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	2026-05-18T01:05:13.795624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2c22e49a6a96a5b8e17918f082555ab473a167ed20d3f51d788b2f7a74b5055

Aliases

arxiv: 0802.0834 · arxiv_version: 0802.0834v1 · doi: 10.48550/arxiv.0802.0834 · pith_short_12: WLBC4SNGVFVF · pith_short_16: WLBC4SNGVFVFXDQX · pith_short_8: WLBC4SNG

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/WLBC4SNGVFVFXDQXSGHQQJKVVN \
  | 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: b2c22e49a6a96a5b8e17918f082555ab473a167ed20d3f51d788b2f7a74b5055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec4075f3659c83ff0038949d92517a3016032f52c2c7c4c1408b1baa1eae277d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2008-02-06T16:14:11Z",
    "title_canon_sha256": "2273bbe6c641ca740ae6af7b6ffe7e66d2534e2db7d05ce2c9a21b2f3f8114bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0834",
    "kind": "arxiv",
    "version": 1
  }
}