Pith Number

pith:OHSWFKTK

pith:2009:OHSWFKTKS3XVDZMPJVCUIPA2ED

not attested not anchored not stored refs pending

Opportunistic Secrecy with a Strict Delay Constraint

Hesham El Gamal, Karim Khalil, Moustafa Youssef, O. Ozan Koyluoglu

arxiv:0907.3341 v1 · 2009-07-20 · 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{OHSWFKTKS3XVDZMPJVCUIPA2ED}

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	2026-05-18T00:58:20.035412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71e562aa6a96ef51e58f4d45443c1a20e88a50e87a7ff9e21229b5dd46d25f33

Aliases

arxiv: 0907.3341 · arxiv_version: 0907.3341v1 · doi: 10.48550/arxiv.0907.3341 · pith_short_12: OHSWFKTKS3XV · pith_short_16: OHSWFKTKS3XVDZMP · pith_short_8: OHSWFKTK

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/OHSWFKTKS3XVDZMPJVCUIPA2ED \
  | 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: 71e562aa6a96ef51e58f4d45443c1a20e88a50e87a7ff9e21229b5dd46d25f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9042c5443a83262f83701f526259a907c6bf694f7aa5d35dce68af1223ab8e1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-07-20T05:07:30Z",
    "title_canon_sha256": "902375db555035e70867884460e3890a2b6da233d6eae5116130ad9bef55262b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3341",
    "kind": "arxiv",
    "version": 1
  }
}