Pith Number

pith:KQ2EB7QC

pith:2013:KQ2EB7QCYYAWC2K5ZCNCSMEBFM

not attested not anchored not stored refs pending

Using Feedback for Secrecy over Graphs

Christina Fragouli, Shaunak Mishra, Suhas Diggavi, Vinod Prabhakaran

arxiv:1305.3051 v2 · 2013-05-14 · cs.IT · cs.CR · 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{KQ2EB7QCYYAWC2K5ZCNCSMEBFM}

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	2026-05-18T03:24:41.103684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

543440fe02c60161695dc89a2930812b1c4803b21f6e4aab18a472d120b179fa

Aliases

arxiv: 1305.3051 · arxiv_version: 1305.3051v2 · doi: 10.48550/arxiv.1305.3051 · pith_short_12: KQ2EB7QCYYAW · pith_short_16: KQ2EB7QCYYAWC2K5 · pith_short_8: KQ2EB7QC

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/KQ2EB7QCYYAWC2K5ZCNCSMEBFM \
  | 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: 543440fe02c60161695dc89a2930812b1c4803b21f6e4aab18a472d120b179fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb22d1b7b80a5bf2cbc5f1c6ae2f2918ee287d9c16751c51dc5cca3c8b05836",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-14T08:03:32Z",
    "title_canon_sha256": "2e2cc7c0d42936094c194cdfa40faf47467e39230af7532ba08b3a1cd3e058c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3051",
    "kind": "arxiv",
    "version": 2
  }
}