Pith Number

pith:DDZF2PLA

pith:2012:DDZF2PLAQEKMUFBICRIR2XHSCE

not attested not anchored not stored refs pending

Memoryless Near-Collisions, Revisited

Elmar Teufl, Mario Lamberger

arxiv:1209.4255 v2 · 2012-09-19 · 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{DDZF2PLAQEKMUFBICRIR2XHSCE}

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	2026-05-18T03:43:41.720761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18f25d3d608114ca142814511d5cf2110e7b61be8ea0b93eaf6a93080dffc159

Aliases

arxiv: 1209.4255 · arxiv_version: 1209.4255v2 · doi: 10.48550/arxiv.1209.4255 · pith_short_12: DDZF2PLAQEKM · pith_short_16: DDZF2PLAQEKMUFBI · pith_short_8: DDZF2PLA

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/DDZF2PLAQEKMUFBICRIR2XHSCE \
  | 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: 18f25d3d608114ca142814511d5cf2110e7b61be8ea0b93eaf6a93080dffc159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5b1a6f4ed3b107a0bbdcd3c6be41f8f7c2f4f265241295a41fc386270d223cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-09-19T14:26:53Z",
    "title_canon_sha256": "e5854d7a8ec2ea1b25528323ae4fc7654639b619631047312f7cdb6c690f6cb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4255",
    "kind": "arxiv",
    "version": 2
  }
}