Pith Number

pith:LPKS6S4M

pith:2008:LPKS6S4MPZC3DJWXABOA3GBPJP

not attested not anchored not stored refs pending

Secrecy via Sources and Channels

Kannan Ramchandran, Krishnan Eswaran, Vinod M. Prabhakaran

arxiv:0807.0942 v2 · 2008-07-07 · 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{LPKS6S4MPZC3DJWXABOA3GBPJP}

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	2026-05-18T00:59:11.738352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bd52f4b8c7e45b1a6d7005c0d982f4bd30992e53d2c882b6e4c973332f3a1bd

Aliases

arxiv: 0807.0942 · arxiv_version: 0807.0942v2 · doi: 10.48550/arxiv.0807.0942 · pith_short_12: LPKS6S4MPZC3 · pith_short_16: LPKS6S4MPZC3DJWX · pith_short_8: LPKS6S4M

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/LPKS6S4MPZC3DJWXABOA3GBPJP \
  | 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: 5bd52f4b8c7e45b1a6d7005c0d982f4bd30992e53d2c882b6e4c973332f3a1bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519869a230b6634964a2f099a47f23587a9e3ccc405cca282ab853a4762ba6cf",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-07-07T04:55:20Z",
    "title_canon_sha256": "b0d6d978f8b3bf5f368c631e0fc10d7d494b7258157c770a8fc4e5090283993f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0942",
    "kind": "arxiv",
    "version": 2
  }
}